The number of times that a hiker walks over 8 miles each day is what type of data random variable? Discrete Continuous

Answers

Answer 1

The number of times that a hiker walks over 8 miles each day is a discrete random variable due to its countable and distinct nature.

The number of times that a hiker walks over 8 miles each day is a discrete random variable.

A random variable is a variable that can take on different values based on the outcome of a random event.

Discrete random variables are those that can only take on distinct, separate values with gaps between them.

In this case, the number of times a hiker walks over 8 miles each day can only assume specific values, such as 0, 1, 2, 3, and so on, representing the count of occurrences.

The variable cannot take on fractional or continuous values.

The concept of "walking over 8 miles" creates distinct categories or counts rather than a continuous range of values.

For example, the hiker may walk over 8 miles 0 times, 1 time, 2 times, etc., but there is no possibility of walking, for instance, 1.5 times over 8 miles in a day.

In contrast, continuous random variables can take on any value within a range, often representing measurements along a continuum. Examples of continuous random variables include height, weight, time, and temperature, where values can be any real number within a specified interval.

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Related Questions

intersecting lines r, s, and t are shown below. s t 23° r 106° x° what is the value of x ?

Answers

To find the value of x, we need to use the fact that when two lines intersect, the sum of the adjacent angles formed is equal to 180 degrees.

In this case, the angle formed between lines s and t is 23 degrees, and the angle formed between lines r and s is 106 degrees. Let's denote the angle between lines t and r as x.

Using the information given, we can set up the equation:

(106 degrees) + (23 degrees) + x = 180 degrees

Combine the known values:

129 degrees + x = 180 degrees

To isolate x, subtract 129 degrees from both sides of the equation:

x = 180 degrees - 129 degrees

x = 51 degrees

Therefore, the value of x is 51 degrees.

In conclusion, the value of x, the adjacent angles formed between intersecting lines t and r, is 51 degrees.

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Sandra drew a scale drawing of a house and its lot. She used the scale 1 inch : 3 feet. If the backyard deck is 10 inches wide in the drawing, how wide is the actual deck? feet

Answers

Answer:

  30 ft

Step-by-step explanation:

The given scale can be multiplied by a suitable factor to make the corrsponding measurement match known values:

  1 in : 3 ft = (drawing measure) : (actual measure)

Multiplying by 10 makes the drawing measure match the given value:

  10 in : 30 ft = (drawing width) : (actual width)

The actual deck is 30 ft wide.

Halp me this question

Halp me this question

Answers

Answer: The third option, 26 plus 22 plus ___ = 52

Step-by-step explanation:

The mean is the measure of central tendency most likely to be affected by an outlier.true or false

Answers

The mean is the measure of the central tendency most likely to be affected by an outlier.

The following statement is correct.

The term "mean" is another synonym for "average." When there is an outlier in the data set, the mean suffers the most. The only measure of central tendency on which an outlier will always have an effect is the mean.

The mean is the only measure of central tendency that is affected by all values since it is calculated by dividing the total of the values by the number of observations.

The arithmetic mean is the average quantity in a given set of data. It is defined as the sum of all observations in the data divided by the total number of observations in the data. As a result, because it comprises all of the data in a series, the mean is influenced by the extreme values.

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Solve the given initial value problem.
y''+5y'=0; y(0)=3, y'(0)=-25
The solution is y(t)= ?

Answers

The solution to the given initial value problem (y'' + 5y' = 0), with (y(0) = 3) and (y'(0) = -25), is: (y(t) = -2 + 5e^{-5t}).

An initial value problem (IVP) is a type of mathematical problem that involves finding a solution to a differential equation or a difference equation along with an initial condition.

To solve the given initial value problem (y'' + 5y' = 0), with the initial conditions (y(0) = 3) and (y'(0) = -25), we can use the method of solving linear second-order homogeneous differential equations.

Step 1: Find the characteristic equation by assuming (y(t) = e^{rt}), where (r) is a constant.

The characteristic equation is (r^2 + 5r = 0).

Step 2: Solve the characteristic equation to find the values of (r).

Factoring out (r), we get (r(r + 5) = 0).

So, the values of (r) are (r = 0) and (r = -5).

Step 3: Write down the general solution.

Since we have two distinct real roots, the general solution is given by:

[y(t) = c_1e^{0t} + c_2e^{-5t}], where (c_1) and (c_2) are arbitrary constants.

Simplifying this expression, we get:

[y(t) = c_1 + c_2e^{-5t}].

Step 4: Use the initial conditions to find the values of the constants (c_1) and (c_2).

Given (y(0) = 3), we substitute (t = 0) into the general solution:

[3 = c_1 + c_2e^{0} = c_1 + c_2].

Given (y'(0) = -25), we take the derivative of the general solution and substitute (t = 0):

[y'(t) = -5c_2e^{-5t}].

[-25 = -5c_2e^{0} = -5c_2].

Simplifying these equations, we find (c_1 = 3 - c_2) and (c_2 = 5).

Step 5: Substitute the values of (c_1) and (c_2) into the general solution.

Using (c_1 = 3 - c_2 = 3 - 5 = -2), we have:

[y(t) = -2 + 5e^{-5t}].

Therefore, the solution to the given initial value problem (y'' + 5y' = 0), with (y(0) = 3) and (y'(0) = -25), is: (y(t) = -2 + 5e^{-5t}).

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Question attached. Please answer.

Question attached. Please answer.

Answers

9514 1404 393

Answer:

  18 cm²

Step-by-step explanation:

All sides of a rhombus are the same length (as shown by the markings), so one side is 1/4 of the perimeter:

  (24 cm)/4 = 6 cm . . . . side length

As with all parallelograms, the area is the product of the side length and the height perpendicular to that side:

  A = (6 cm)(3 cm) = 18 cm²

It has an area of 18 cm².

Recall that |x - 1| <5 can be written as –5 < x – 1 < 5. Which of the following represents the solutions of t | x - 1 | <5?

Answers

The inequality equation is -4 < x < 6

What is an Inequality Equation?

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

In an inequality, the two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.

Given data ,

Let the modulus function be represented as A

Now , the equation will be

| x - 1 | < 5   be equation (1)

Modulus function is denoted as y = |x| or f(x) = |x|, where f: R → (0,∞) and x ∈ R.The value of the modulus function is always non-negative.

So , -5 < x - 1 < 5

On simplifying the equation , we get

Adding 1 on both sides of the equation , we get

-5 + 1 < x - 1 + 1 < 5 + 1

-4 < x < 6

Hence , the number line will denote the inequality having x more than -4 and less than 6

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Recall that |x - 1| &lt;5 can be written as 5 &lt; x 1 &lt; 5. Which of the following represents the

in general, the strictest standards with the lowest acceptable levels are the

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Answer:

Step-by-step explanation:

are the what???

maximum contaminant levels

Four times a number plus two third of the number is four times as large as the first number. Find the number. PLS NEED HELP ASAP!

Answers

Answer:4x+2/3x>4x

i think this is correct but im not sure sorry if its wrong!!

Step-by-step explanation:

Makers were placed at altitudes of 10 and 15 feet below sea level. Enter the integer that represents the altitude closer to sea level.

Answers

Answer:

The answer is 10

Step-by-step explanation:

A triangle has the following lengths 4 cm 5 cm and 5 cm what kind of triangle is it

Answers

what are your choices?

Find the nth term of the sequence:
9, 4, -1, -6, -11,.............

Answers

Answer:

-15

Step-by-step explanation:

goes down -5 each time

expand the logarithm as much as possible using properties. please help!
log square root on 1,000,000x

Answers

Step-by-step explanation:

log (√1000000x)

Rewrite √1000000x as (1000000x)1/2.

expand long ((1000000x)1/2) by moving 1/2

oby moving logarithm.

1/2 longth (1000000x)

Rewrite

log

(1000000x) as log(1000000)+log(x).

1/2(log(1000000)+log(x))

Logarithm base 10 of 1000000 is 6.

1/2(6+log(x))

Apply the distributive property.

1/2.6+1/2 log(x)

Cancel the common factor of 2.

3+1/2 long(x)

Combine 1/2 and log(x)

3+ long(x)/2

Step-by-step explanation:

See the steps below:

\(log\sqrt{1000000x} =\\(1/2)log 1000000x=\\(1/2)log10^6+(1/2)logx=\\(1/2)(6) + (1/2)logx=\\3+(1/2)logx\)

Find an equation for the hyperbola with foci (0,±5) and with asymptotes y=± 3/4 x.

Answers

The equation for the hyperbola with foci (0,±5) and asymptotes y=± 3/4 x is:

y^2 / 25 - x^2 / a^2 = 1

where a is the distance from the center to a vertex and is related to the slope of the asymptotes by a = 5 / (3/4) = 20/3.

Thus, the equation for the hyperbola is:

y^2 / 25 - x^2 / (400/9) = 1

or

9y^2 - 400x^2 = 900

The center of the hyperbola is at the origin, since the foci have y-coordinates of ±5 and the asymptotes have y-intercepts of 0.

To graph the hyperbola, we can plot the foci at (0,±5) and draw the asymptotes y=± 3/4 x. Then, we can sketch the branches of the hyperbola by drawing a rectangle with sides of length 2a and centered at the origin. The vertices of the hyperbola will lie on the corners of this rectangle. Finally, we can sketch the hyperbola by drawing the two branches that pass through the vertices and are tangent to the asymptotes.

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Half the difference between two numbers is 2. The sum of the
greater number and twice the smaller number is 13. Find the
numbers.

Answers

Answer:

as below

Step-by-step explanation:

1st  the difference is 4  b/c half of 4 = 2

and

2*smaller +greater = 13

so check out small number that are 4 apart.. like 2 and 6

2(2)+6 =10

2(3) +7 = 13  aahh hah..  that's it

3 and 7 are the numbers being hunted :P

Find the volume of the prism

Find the volume of the prism

Answers

LxWxH so i think it’s 864 meters cubed

The first five terms of an arithmetic sequence are given: $4,10,16,22,28, \\ldots$ What is the sixth term in the sequence

Answers

Answer:

34

Step-by-step explanation:

to find the number to add 4 which will increase it to 10 with them subtract 10 from 4 to find the number which is increasing termly

=> 10 - 4 = 6

increasing by 6

4 + 6 = 10

10 + 6 = 16

16 + 6 = 22-

22 + 6 = 28

28 + 6 = 34

6th term = 34




Which of the following methods will you choose when your data is a random walk? Moving Average Holt-Winters method Holt-Winters no-trend method Logistic regression method Holt's method

Answers

When dealing with random walk data, Holt's method is preferred due to its ability to capture short-term fluctuations and changing trends without assuming a specific pattern.

A random walk is a time series where the future values are dependent on the previous values and exhibit a random or unpredictable behavior. In such cases, using methods like Moving Average, Holt-Winters, or Logistic Regression may not yield accurate results because they assume certain patterns or trends in the data.

Holt's method, also known as exponential smoothing, is particularly suitable for handling random walk data. It is a forecasting technique that takes into account both the level and the trend of the time series. This method assigns exponentially decreasing weights to past observations, giving more weight to recent data points. By incorporating a level and trend component, Holt's method can capture the short-term fluctuations and gradual changes in the data without assuming a specific pattern.

Unlike Moving Average or Holt-Winters, Holt's method does not rely on a fixed window of past observations, which can be limiting for random walk data. Instead, it adapts dynamically to the changing characteristics of the time series.

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10.4 For the following situation. fal determine which evatuation nethod is probably the cusiese and lasitest (o apply hy hand and hy eomputer in order 10 selece from the five allematives, and (h) thst

Answers

Based on the provided question, it seems like you are asking about the most efficient evaluation method, either by hand or using a computer. To determine which method is the most suitable, you need to consider the complexity of the evaluation process and the number of alternatives.


Using a computer is generally faster and more accurate when dealing with large datasets or complex calculations. On the other hand, evaluating by hand may be more suitable for smaller datasets or simpler calculations. It can provide a more hands-on approach, allowing for a deeper understanding of the evaluation process. However, this method is generally more time-consuming and prone to human error.

To select the most appropriate evaluation method, consider the complexity of the task and the available resources. If the evaluation involves a large amount of data or complex calculations, using a computer would likely be the most efficient choice. However, if the task is relatively simple or involves a smaller dataset, evaluating by hand may suffice. In conclusion, the choice between evaluating by hand or using a computer depends on the complexity of the task and the available resources. Consider these factors to determine the most suitable method.

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Ushi throws a fair 6-sided dice.
Find an outcome that has a probability of:
¡.50%

Answers

Rolling an even number (2, 4, or 6) has a 50% probability because there are 3 even numbers out of the 6 possible outcomes. Similarly, rolling an odd number (1, 3, or 5) also has a 50% probability.

To determine an outcome with a probability of 50% when Ushi throws a fair 6-sided dice.
A fair 6-sided dice has 6 equally likely outcomes: 1, 2, 3, 4, 5, and 6. Since there are 6 possible outcomes, no single outcome (such as rolling a 1 or a 6) can have a 50% probability. However, we can group outcomes to achieve a 50% probability.
For instance, rolling an even number (2, 4, or 6) has a 50% probability because there are 3 even numbers out of the 6 possible outcomes. Similarly, rolling an odd number (1, 3, or 5) also has a 50% probability.

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CAN SOMEONE PLEASE ANSWER!
Given right triangle ABC with altitude BD¯¯¯¯¯¯¯¯ drawn from vertex B to hypotenuse AC¯¯¯¯¯¯¯¯, find the lengths of AD¯¯¯¯¯¯¯¯, BD¯¯¯¯¯¯¯¯, and CD¯¯¯¯¯¯¯¯.

CAN SOMEONE PLEASE ANSWER!Given right triangle ABC with altitude BD drawn from vertex B to hypotenuse

Answers

Answer:

AD = 1.96

BD = 6.72

CD = 23.04

Step-by-step explanation:

7/25 = AD/7

25AD = 49

AD = 1.96

24/25 = BD/7

25BD = 168

BD = 6.72

CD = 25 - 1.96 = 23.04

in the context of big data, ______ relates to changes in meaning.

Answers

Semantics is the branch of linguistics that explores how meaning is conveyed through language. In the context of big data, it refers to the changes in the interpretation of data and how it can be used to yield meaningful insights.

Semantics is a branch of linguistics that deals with the study of meaning in language. In the context of big data, semantics relates to how data is interpreted and how it can be used to gain meaningful insights. Semantic analysis looks at the context of data and how it changes in meaning over time. This analysis helps to understand how the data can be used to make decisions, solve problems, and improve processes. Semantic analysis also helps to identify trends, relationships, and patterns in data that can be used to formulate decisions, plans, and strategies. By understanding the changes in meaning, organizations can use the data to make more informed and accurate decisions.

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Help mhe please,, on line A, each time x increases by 1 y increases by ....

Help mhe please,, on line A, each time x increases by 1 y increases by ....

Answers

The answer is C! Hope that helps

Jill drinks 3 glasses of milk each day

How many glasses of milk will Jill drink in 1 week ?

Answers

Answer:

21 glasses of milk

Step-by-step explanation:

7 days in 1 week

3 glasses of milk each day

7 * 3 = 21 glasses

Answer:

21

Step-by-step explanation:

3 glasses of milk every day times the days in a week, so 7 equals 21

7x3= 21

Order the numbers from least to greatest.

95,−2.5,−1.1,−45, 0.8

Answers

Answer:

-45, -2.5, -1.1, 0.8, 95

Answer:

your answer would be -45, -2.5, -1.1, 0.8, 95

Step-by-step explanation:

if you put the listed numbers out on a number line you would start with the negative numbers on the left side going up to the positive numbers on the right side. -45 is the smallest number in this sequence so it will be the first number. then if you go further right on the number line you'll hit -2.5, then -1.1, then 0.8, then 95. these numbers are large so a number line wouldn't be logical but it always helps to visualize it. hope this helps!

Excision of benign lesions on chest, 0.4 cm, with simple closure.(CPT CODE??)

Answers

Excision of

benign lesions

on chest, 0.4 cm, with simple closure(CPT CODE)CPT code is a five-digit numeric code that is used to describe medical, surgical, and diagnostic procedures.

The CPT code for the Excision of benign lesions on chest, 0.4 cm, with simple closure is 11400. The CPT code 11400 is used to report the removal of benign lesions or skin tags. It is a

surgical

procedure performed to remove a benign lesion, which is a tumor that is not

cancerous

.

The

excision

of benign lesions is performed for a variety of reasons, including cosmetic purposes, symptom relief, or to prevent the

lesion

from becoming cancerous. Excision of benign lesions on chest, 0.4 cm, with simple closure is a minor surgical procedure that can be performed in an outpatient setting.

The simple closure refers to the wound closure technique, where the edges of the incision are brought together and closed with sutures or staples. A simple closure is used when the wound is small and does not require extensive tissue

rearrangement

or grafting. The excision of benign lesions on the chest, 0.4 cm, with simple closure is performed to remove a benign lesion or tumor from the chest area that measures 0.4 cm in size.

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question in the imagee

question in the imagee

Answers

Answer:

Option A   (7×3) + 1/2(7×6)

Step-by-step explanation:

Divide this shape into a square and a triangle

For area of square the formula is

    Area = A = L ×W

From shape of square

7 seven boxes are yellow so L=7 and width W=3

   A  =  7 × 3

For triangle formula is

    A = (1/2)bh

    A = (1/2)(7×6)

Add them

    A = (7×3) + 1/2(7×6)

If $600 was placed in a savings account with an interest rate of 0.5%, find the total amount in the account after 8 years and 3 months.​

Answers

Answer:

$888

Step-by-step explanation:

I=P×T×R/100

=600×8.25×0.5/100 [8 year 3 months=99 months = 8.25 year ]

=1237.5/100

I =12.375

A= I +P

=600+12.375

A =612.375

hence the total amount will be $ 612.375

Find an equation of the sphere with center (-3, 2, 6) and radius 5. What is the intersection of this sphere with the yz-plane? x = 0

Answers

The intersection of the sphere with the yz-plane is a circle centered at (2, 6) with a radius of 5.

The equation of a sphere with center (h, k, l) and radius r is given by (x - h)^2 + (y - k)^2 + (z - l)^2 = r^2. In this case, the center is (-3, 2, 6) and the radius is 5, so the equation of the sphere is (x + 3)^2 + (y - 2)^2 + (z - 6)^2 = 25.

To find the intersection of the sphere with the yz-plane (x = 0), we substitute x = 0 into the equation of the sphere. This gives (0 + 3)^2 + (y - 2)^2 + (z - 6)^2 = 25, which simplifies to 6^2 + (y - 2)^2 + (z - 6)^2 = 25. This equation represents a circle in the yz-plane centered at (2, 6) with a radius of 5.

Therefore, the intersection of the sphere with the yz-plane is a circle centered at (2, 6) with a radius of 5.

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Which expression represents the calculation the sum of x and 8 is divided by 6

Which expression represents the calculation the sum of x and 8 is divided by 6

Answers

I believe it is the second choice

The required expression model is given as x + 8 / 6. Option B is correct.

Given that,
To determine the expression represents the calculation the sum of x and 8 is divided by 6

What are equation models?

The equation model has defined as the model of the given situation in the form of an equation using variables and constants.

here,
According to the question,
The sum of x and 8 = x + 8
divided by 6
= x + 8 / 6

Thus, the required expression model is given as x + 8 / 6. Option B is correct.

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