Can someone help me in b please​

Perceived lack of anonymity is the source of bias that is most relevant to the given situation.

The data collected in the study, which is Mood on a Happy/OK/Sad scale, is qualitative or categorical data.

This describes an observational study.

What is Statistics?

Statistics is a field of study that deals with the collection, analysis, interpretation, presentation, and organization of data. It involves the use of mathematical and statistical methods to extract meaningful insights from data and to draw conclusions or make decisions based on the findings.

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The measure of side HI is 10.74 for the triangle EFG which is similar to HIJ.

Similar triangles are those triangles which have corresponding sides in proportion to each other and the corresponding angles of two triangles are equal to each other. Similar triangles look the same but they differ in terms of the sizes of the two triangles.

In short, If two triangles are similar that means,

All corresponding angle pairs of triangles will be equal.

All corresponding sides of triangles will be proportional.

Now, it is given in the question that ΔEFG is similar to ΔHIJ then, their corresponding sides will be in proportion.

⇒ GE/EF = HJ/HI

⇒ 19/34 = 6/HI

⇒ HI = 6 x 34/19

⇒ HI = 10.74

Therefore, the measure of side HI is 10.74.

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Answer:

2

Step-by-step explanation:

To find the value of V*(s'), The Bellman equation relates the Q*(s, a) values to the state-value function V*(s) by taking the maximum Q-value over all possible actions. Given the Q*(s, a) values and the transition information:

V*(s') = max(Q*(s', a)) for all actions a

In this case, the Q* values for state s are:

Q*(s, \(a_{1}\)) = 10

Q*(s, \(a_{2}\)) = -1

Q*(s, \(a_3}\)) = 0

Q*(s, \(a_{4}\)) = 11

Since s' can be reached from s by taking action a1, we consider the Q* values for state s' and select the maximum value:

V*(s') = max(Q*(s', \(a_{1}\)), Q*(s', \(a_{2}\)), Q*(s', \(a_{3}\)), Q*(s',\(a_{4}\) )

Substituting the given Q* values for s', we have:

V*(s') = max(Q*(s', \(a_{1}\)), Q*(s', \(a_{2}\)), Q*(s', \(a_{3}\)), Q*(s', \(a_{4}\))

         = max(10, -1, 0, 11)

         = 11

Therefore, the value of V*(s') is 11.

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The graph meets the vertical line test requirement, it must represent a function (C) The vertical line test shows that the graph is correct, hence the answer is yes.

According to the function, every value in the domain is associated to exactly one value in the range, and they have a predefined domain and range. It is characterized as a certain kind of relationship.

Please refer to the image instead of the graph, which is related to it.

The graphic displays a graph.

A parabola is seen on the graph.

The vertical line test determines if a graph can be a function, as is common knowledge.

The graph passes the vertical line test option, indicating that it does in fact represent a function (C) The vertical line test shows that the graph is correct, hence the answer is yes.

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The possibility are 1,716 possible ways to cast the roles of Larry, Curly, and Moe from a group of 13 actors.

There are 13 actors auditioning for the roles of Larry, Curly, and Moe, there are 13 choices for who can be cast in the first role, 12 choices left for who can be cast in the second role, and 11 choices left for who can be cast in the third role (assuming that no actor can play more than one role).

To determine the number of ways the roles of Larry, Curly, and Moe could be cast with 13 different actors auditioning, we can use the concept of permutations.

In this case, we have 13 actors and 3 roles to fill, so we calculate it as follows:

Permutations = 13 * 12 * 11 Permutations

= 1,716

So, there are 1,716 different ways the roles of Larry, Curly, and Moe could be cast from the 13 actors auditioning.

Therefore, the number of ways the roles can be cast is:

13 x 12 x 11 = 1,716

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The terms minimum and infimum are both related to the concept of lower bounds in mathematics. A minimum is the smallest value in a set of numbers, whereas an infimum is the greatest lower bound of a set.

A minimum is a value that is less than or equal to all other values in the set, while an infimum is a value that is less than or equal to all other values in the set, but not necessarily the smallest value.

For example, if we consider the set {2, 4, 6}, the minimum is 2 and the infimum is also 2. However, if we consider the set {2, 4, 6, 8}, the minimum is 2 and the infimum is 4. In the latter set, 4 is the greatest lower bound, meaning that all other values in the set are greater than or equal to 4.

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Answer:

9/14

Step-by-step explanation:

81/126=9x9/9x14=9/14

Answer:

9/14

Step-by-step explanation:

I divided both the numerator and denominator by 9 and 9/14 is the "most simplified" it can go to, unless I'm incorrect. Hope this helped ^-^

Answer:

10/1 or 10

Step-by-step ex planation:

The rate of change is just a fancy word for slope!

To find the slope of this line I found two points of the graph that were easy to determine.  Slope = rise/run

which is this case was rise 10 because the point went from 20 to 30 and the run being 1 because it was going from 1 to 2

Hope this helps!!

Please tell me if I have messed up!!

I enjoy learning from my mistakes:)

Answer:

B,C

Step-by-step explanation:

The sum of B is 1

The sum of C is -1/2

Let's try each option.

Option A:

-3 + 5 + (-1) = 2 + (-1) = 1

FALSE

Option B:

5 + (-8) + 4 = -3 + 4 = 1

TRUE

Option C:

-19/2 + 9 = -9.5 + 9 = -0.5

TRUE

Option D:

-17 + 36/2 = -17 + 18 = -1

FALSE

So, the correct answers are B and C

Best of Luck!

Answer:

1.11 and the tip is 2.78

Step-by-step explanation:

imagine having the whole like 19 the half is 9.5 and 1/4 is 4.75 you work your way down until you reach the 6 percent and get 1.11.

Answer:

The right approach is "Systematic sampling".

Step-by-step explanation:

Answer:

Following are the solution to the given question:

Step-by-step explanation:

For point a:

\(6.5 - 4.9 = 2.4 \\\\\frac{2.4}{1.2} = 2 \\\\\sigma \ \ so \ k = 2\)

For point b:

\(\frac{3}{1.2}\ \ \sigma\ \ so \ k =\frac{3}{1.2} \ \ so\ \ 1- \frac{1}{k ^2} = 0.84\)

For point c:

Once again, we have k = 2 though with Chebyshev discrepancy of witness numbers in the same number of standard deviations off mean = at least 75 percent.

The solution to a system of equations is the point where two lines intersect, the correct option is (b).

The "Solution" to a system of equations is defined as set-of-values for the variables which make all the equations in the system true.

It is the point where all the equations in the system intersect or satisfy each other.

So, the "Solution" to a system of equations is the point where two-lines intersect, which is represented by an ordered-pair (x, y) that satisfies both equations simultaneously.

Therefore, Option (b) is correct.

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The given question is incomplete, the complete question is

The solution to a system of equations is _____________.

(a) the sum of the slopes of two lines

(b) the point where two lines intersect

(c) the combination of the y-intercepts

(d) the ordered pair that makes both equations true

The correct option is  

(1) only (d)

(2) both (a) and (b)

(3) both (b) and (d)

(4) only (b).

Baking cupcakes for the time suggested for baking a cake may result in overbaked and dry cupcakes.

This is because cupcakes are smaller and have less volume than cakes, so they require less baking time to cook through. Overbaking can also cause cupcakes to lose their moisture and become tough. It is important to follow the suggested baking time for cupcakes to achieve the desired texture and flavor.

To ensure that cupcakes are baked correctly, it is recommended to test them for doneness using a toothpick or cake tester. Insert the toothpick in the center of the cupcake, and if it comes out clean, the cupcakes are done.

If the toothpick has batter on it, the cupcakes need more time to bake. Adjust the baking time accordingly, and continue checking until the toothpick comes out clean.

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Answer:

B. The argument is invalid because the conclusion does not follow the premises. Hope this helps!  :)

Step-by-step explanation:

Answer:

(5a3b)(2ab)

Expand

That's

15ab( 2ab )

we have the answer as

5y(-y² + 7y - 2)

Expand

That's

Hope this helps you

Answer:

x = 5

Step-by-step explanation:

Mode: The most frequently occurring data value.

Median: The middle value when all data values are placed in order of size.

Mean: The sum of all data values divided by the total number of data values.

As the mode is the most frequently occurring data value, x must be 3, 4, 5 or 8.

If the mode is 3 or 4, then the data set will be {3, 3, 4, 5, 8} or {3, 4, 4, 5, 8}.  Therefore, the median would be 4.

If the mode is 5 or 8, then the data set will be {3, 4, 5, 5, 8} or {3, 4, 5, 8, 8}.  Therefore, the median would be 5.

Therefore, the median is 4 or 5.

\(\boxed{\sf mean=\dfrac{\textsf{sum of all the numbers}}{\textsf{amount of numbers}}}\)

If x = 4, the mean would be:

\(\sf \implies mean=\dfrac{3+4+5+8+4}{5}=\dfrac{24}{5}=4.8\)

If x = 5, the mean would be:

\(\sf \implies =\dfrac{3+4+5+8+5}{5}=\dfrac{25}{5}=5\)

Therefore, the only value of x that allows the mean, median and mode to all have the same value is x = 5.

Answer:

my result is 0 = -7 It has no solutions though since it is a contradiction

Answer:

increase by the percent

The fraction will decrease by 20%.

A fraction represents a part of a whole.

Let's assume the original fraction to be x/y.

If we increase the numerator by 20%, it becomes 1.2x.

If we increase the denominator by 50%, it becomes 1.5y.

So, the new fraction will be:

(1.2x) / (1.5y)

Simplifying this expression, we get:

(4x/5y)

The new fraction is (4/5) times the original fraction.

Therefore, the fraction will decrease by 20%.

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Answer:

Step-by-step explanation:

First of all the first term is a1 and that's equal to -3

Every term is multiplied by 7

So the recursive formula is

an = 7*a_(n-1)

a2 = 7*a_(1 -1)

a2 = 7*-3

a2 = - 21

Now try a_4

a_4 = 7*a_3

a_3 = -147

a_4 = 7*(-147)

a_4 = -1029

The solution to the absolute value inequality |2x - 3| < 5 is (-1, 4) in interval notation and {x | -1 < x < 4} in set builder notation.

To write the solution of an absolute value inequality using interval notation and set builder notation, we'll follow these steps:

Step 1: Isolate the absolute value expression.

Step 2: Split the inequality into two cases, one for when the expression inside the absolute value is positive, and one for when it is negative.

Step 3: Solve each case separately and write the solutions in interval notation.

Step 4: Combine the solutions from both cases.

Step 5: Write the final solution using interval notation and set builder notation.

Let's consider an example to illustrate this process.

Example: Solve the absolute value inequality |2x - 3| < 5.

Step 1: Isolate the absolute value expression.

We have |2x - 3| < 5. No further simplification is needed in this case.

Step 2: Split the inequality into two cases.

Case 1: 2x - 3 > 0

Case 2: 2x - 3 < 0

Step 3: Solve each case separately and write the solutions in interval notation.

Case 1: 2x - 3 > 0

Solving for x, we have:

2x - 3 < 5

2x < 8

x < 4

Case 2: 2x - 3 < 0

Solving for x, we have:

2x - 3 > -5

2x > -2

x > -1

Step 4: Combine the solutions from both cases.

The combined solution is -1 < x < 4.

Step 5: Write the final solution using interval notation and set builder notation.

Interval notation: (-1, 4)

Set builder notation: {x | -1 < x < 4}

So, the solution to the absolute value inequality |2x - 3| < 5 is (-1, 4) in interval notation and {x | -1 < x < 4} in set builder notation.

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a. The inequality that represents the additional number of passengers, p, that can board the plane will be D. 15+p≤44 15 plus p is less than or equal to 44

b. The option that represents the people who can board the plane is A. 30 more passengers cannot board the plane. Only 29 more passengers can board the plane.

From the information, the small airplane can hold 44 passengers. Fifteen passengers board the plane.

Let P = those that can board the plane.

P + 15 ≤ 44

Collect like terms

P ≤ 44 - 15

P ≤ 29

The highest number of passengers that can enter the plane is 29.

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The problem of unit root in standard regression and time-series models arises when a variable exhibits a non-stationary behavior, meaning it has a trend or follows a random walk. Unit root tests, such as the Dickey-Fuller and augmented Dickey-Fuller tests, are used to detect the presence of a unit root in a time series. These tests examine whether the coefficient on the lagged value of the variable is significantly different from one, indicating the presence of a unit root.

In standard regression analysis, it is typically assumed that the variables are stationary, meaning they have a constant mean and variance over time. However, many economic and financial variables exhibit non-stationary behavior, where their values are not centered around a fixed mean but instead follow a trend or random walk. This presents a problem because standard regression techniques may produce unreliable results when applied to non-stationary variables.

Time-series models, such as autoregressive integrated moving average (ARIMA) models, are specifically designed to handle non-stationary data. They incorporate differencing techniques to transform the data into a stationary form, allowing for reliable estimation and inference. Differencing involves computing the difference between consecutive observations to remove the trend or random walk component.

The Dickey-Fuller test and augmented Dickey-Fuller test are commonly used to detect the presence of a unit root in a time series. These tests examine the coefficient on the lagged value of the variable in a regression framework. The null hypothesis of the tests is that the variable has a unit root, indicating non-stationarity, while the alternative hypothesis is that the variable is stationary.

The Dickey-Fuller test is a simple version of the test that includes only a single lagged difference of the variable in the regression. The augmented Dickey-Fuller test extends this by including multiple lagged differences to account for potential serial correlation in the data. Both tests provide critical values that can be compared to the test statistic to determine whether the null hypothesis of a unit root can be rejected.

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Answer: Neither They were the same shade of Grey.

Step-by-step explanation:

it’s the right answer trust me

Color would be the same for both statue and stone buildings.

Let's, consider paint black as = x

and paint white as = y

If both the paints are mixed then paint z which is grey is formed.

Represented as,

x(black) + y(white) = z(grey)

Whereas, for the stone building double the amount of black and white colors are being used,

2x + 2y = 2z, coating of grey color would be also double.

Canceling 2 from both sides,

x + y = z

x(black) + y(white) = z(grey)

Therefore color would be the same for both statue and stone buildings.

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Answer:

my

Step-by-step explanation:

namajeff

Answer: 1:35

Step-by-step explanation:

Just go and hour back from 2:30 and add 5 minutes

Answer:

1:35

i subtracted at a 1 back from 2:30 -5 minutes which would be 1:35 sorry if i confused you

Answer:

Any scalene quadrilateral will serve as a counterexample. For a conditional (if-then) statement, a counterexample must be an instance which satisfies the hypothesis , but not the conclusion .

Step-by-step explanation:

Answer:

Chronological

Step-by-step explanation:

These texts organize events in the order they happened. This structure is common in current events, history and in works of fiction or memoir. Key words include time markers like “first,” “next,” “then” and “finally.”