Please help me on this thank you I’ll give brainliest

After 300 trials, the experimental probabilities may not align perfectly with the theoretical probabilities. However, with more trials, the experimental probabilities tend to converge towards the theoretical probabilities for closer alignment.

To examine whether experimental probabilities after 300 trials align closely with theoretical probabilities, let's consider an example of flipping a fair coin.

Theoretical probability: When flipping a fair coin, the theoretical probability of obtaining heads or tails is 0.5 each. This assumes that the coin is unbiased and has an equal chance of landing on either side.

Experimental probability: After conducting 300 trials of flipping the coin, we record the outcomes and calculate the experimental probabilities. Let's assume that heads occurred 160 times and tails occurred 140 times.

Experimental probability of heads: 160/300 = 0.5333

Experimental probability of tails: 140/300 = 0.4667

Comparing the experimental probabilities to the theoretical probabilities, we can observe that the experimental probability of heads is slightly higher than the theoretical probability, while the experimental probability of tails is slightly lower.

In this particular example, the experimental probabilities after 300 trials do not align perfectly with the theoretical probabilities. However, it is important to note that these differences can be attributed to sampling variability, as the experimental outcomes are subject to random fluctuations.

To draw a more definitive conclusion about the alignment between experimental and theoretical probabilities, a larger number of trials would need to be conducted. As the number of trials increases, the experimental probabilities tend to converge towards the theoretical probabilities, providing a closer alignment between the two.

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The question probable may be:

Do experimental probabilities after 300 trials tend to align closely with theoretical probabilities? Consider an example scenario and calculate both the theoretical and experimental probabilities to determine if they are close.

Answer:

180 ft²

Step-by-step explanation:

(22×10)-(8×5) = 220-40 = 180 ft²

f has a greater y-intercept than g: False

f has a greater x-intercept than g: True.

f has a greater slope than g: False.

In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical expression:

y - y₁ = m(x - x₁)

Where:

First, we would find the slope of line g;

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Slope (m) = (-3 + 15)/(1 - 3)

Slope (m) = 12/2

Slope (m) = 6.

At data point (1, 9) and a slope of 6, a linear equation for this line can be calculated by using the point-slope form as follows:

y - y₁ = m(x - x₁)

y - 9 = 6(x - 1)

y = 6x + 3

Slope of g is 6 while the slope of f is 4, thus, g has a greater slope.

For the x-intercept, we have:

0 = 6x + 3

-3 = 6x

x = -0.5

f(x) = 4x - 1

0 = 4x - 1

1 = 4x

x = 0.25

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The equations are Company A: A(t) = 300 + 25t and Company B: B(t) = 150 + 55t

Company A is cheaper than Company B, we have after 5 hours

From the question, we have the following parameters that can be used in our computation:

Company A

Charges per hour = $25

Equipment fee = $300

Company B

Charges per hour = $55

Equipment fee = $150

The above parameters mean that

Total charges = Equipment fee + Charges per hour x Number of hours

So, we have

Company A: A(t) = 300 + 25t

Company B: B(t) = 150 + 55t

When Company A is cheaper than Company B, we have

A(t) < B(t)

Substitute the known values in the above equation, so, we have the following representation

300 + 25t < 150 + 55t

Evaluate the like terms

-30t < -150

Divide both sides by -30

t > 5

Hence, the interval is after 5 hours

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Answer:

It's false

Step-by-step explanation:

1.25*200=250 not 300.

Answer: $160

Step-by-step explanation: If she works 40 hours a week, than that is $360 a week, if she pays the sitter $5 a week, then that means she pays the sitter $200 a week.  Subtract and you get $160.  

Answer:C. 13/6

Step-by-step explanation:

The slope is always rise over run. So when going from the coordinate (-5,-7) to the coordinate (1,6) we go up 13 then go to the right 6. And since we went up and to the right it is a positive slope.

Step-by-step explanation:

Answer:

17. 2,336 ft²

18. V = 6,720 ft³

Step-by-step explanation:

17. Surface area of the tent not including the floor = area of the 2 triangular bases + area of the 2 rectangular side faces

= 2(½*bh) + 2(L*W)

Where,

b = 14 ft

h = 24 ft

L = 40 ft

W = 25 ft

Substitute

Area = 2(½*14*24) + 2(40*25)

Area = 336 + 2,000

Area = 2,336 ft²

18. Volume of circus tent = volume of triangular prism = ½*b*h*l

Where,

b = 14 ft

h = 24 ft

l = 40 ft

Substitute

V = ½*14*24*40

V = 6,720 ft³

a) The sample in this scenario is 60 families from each school in the district.

b) The population is the total number of families in the school district.

The sample refers to the representative subset of the population surveyed or studied to learn more about the whole population.

The sample of families surveyed = 60 families from each school in the district

The population = the number of families in the school district

The percentage of families surveyed who need bus transportation = 65%

The percentage of families surveyed who would walk to school = 15%

The percentage of families surveyed who would use own transportation = 18%

The percentage of non-respondents = 2%

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The angle ∠RQT is the sum of the angles ∠RQS and ∠SQT, since they are adjacent.

So we have that:

Now, calculating the angle ∠RQS, we have:

So the angle ∠RQS measures 72°.

The calculated value of k on the line is 9

From the question, we have the following parameters that can be used in our computation:

XZ is the perpendicular bisector of segment WY

This means that

WX = XY

substitute the known values in the above equation, so, we have the following representation

3k - 4 = 2k + 5

So, we have

3k - 2k = 4 + 5

Evaluate

k = 9

Hence, the value of k is 9

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The expected value of X or E(X) is 2.45.

To find the expected value of a random variable X, denoted by E(X), we use the formula:

E(X) = ∑[x*P(X=x)]

where x is the value of X and P(X=x) is the probability of X taking the value x.

Using this formula, we can calculate the expected value of X based on the probability distribution table given to us.

X    1    2    3    4

P(X)   0.25 0.30 0.20 0.25

E(X) = (1 * 0.25) + (2 * 0.30) + (3 * 0.20) + (4 * 0.25)

= 0.25 + 0.60 + 0.60 + 1.00

= 2.45

Therefore, the expected value of X is 2.45.

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The probability distribution of the random variable X is given in the following table. Find the expected value of X . (Round your answer to 4 decimal places.) x -2 -1 0 1 2 P(X =x)  

a. 3

b. 2.45

c.6.9

d.1.2

The value of the expression \(\sqrt[4]{a}^3\) when evaluated is \(a^\frac34\)

From the question, we have the following parameters that can be used in our computation:

\(\sqrt[4]{a}^3\)

Consider an expression expressed as xⁿ

The expression can be expanded as

xⁿ = x * x * x .... in n places

Using the above as a guide, we have the following:

\(\sqrt[4]{a}^3 = \sqrt[4]{a} * \sqrt[4]{a} * \sqrt[4]{a}\)

Apply the exponent rule of indices

\(\sqrt[4]{a}^3 = a^\frac14 * a^\frac14 * a^\frac14\)

Apply the power rule of indices

\(\sqrt[4]{a}^3 = a^\frac34\)

Hence, the expression \(\sqrt[4]{a}^3\) when evaluated is \(a^\frac34\)

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The value of the probability of the different events are,

The value of the probability P (3) is,

⇒ 1 / 5

And, The value of the probability P (blue & green) is,

⇒ 8/45

We have to given that;

A box contains 2 red marbles, 5 green marbles and 8 blue marbles.

Hence, Total marbles = 2 + 5 + 8 = 15

So, The value of the probability P (3) is,

⇒ 3 / 15

⇒ 1 / 5

And, The value of the probability P (blue & green) is,

⇒ 8/15 x 5/15

⇒ 8/15 x 1/3

⇒ 8 / 45

Thus, The value of the probability P (3) is,

⇒ 1 / 5

And, The value of the probability P (blue & green) is,

⇒ 8/45

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Answer:

Step by step explanation:

well this is simble you just do it

Answer:

-50/9 is the answer i think

Mario will take medication 13times on Monday - Tuesday pattern of the same week.

"Pattern is defined as the repeated arrangement of the sequence of numbers , colour , shape and so on as per the rule defined for it."

According to the question,

Total number of days Mario takes medication = 180 days

Condition of prescription = Take 2 days in a row and then skip 1 day.

Mario begins from Monday ,

Consider Monday - 1st day

               Tuesday = 2nd day

               Wednesday - 3rd day

              Thursday - 4th day

              Friday - 5th day

              Saturday - 6th day

              Sunday - 7th day

Number of weeks in 180days when it starts from Monday

= 25weeks and 5 more days  

So  pattern is

1st week : ( 1,2) , skip 3, (4,5), skip 6, (7,1)

2nd week : (2,3) , skip4, (5,6), skip 7

3rd week  again start from Monday- Tuesday

It means total 13 week in 25 weeks, it repeats the Monday-Tuesday pattern.

Hence, Mario will take medication 13times on Monday - Tuesday pattern of the same week.

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Answer: 9

Step-by-step explanation:

Mario will take medication 9 times on a week with a Monday-Tuesday-skip-3rd-day pattern.

Total number of days for medication: 180

Prescription condition: take 2 days in a row then skip 1 day, repeat.

Mario begins on a Monday.

Consider Monday is the 1st day, Tuesday the 2nd day, Wednesday the 3rd day, ... and finally Sunday the 7th day.

The weekly pattern will be:

1st week: 1 - 2 - skip 3 - 4 -5 - skip 6 - 7

2nd week: 1 -  skip 2 - 3 - 4 - skip 5 - 6 - 7

3rd week: skip 1 -  2 - 3 - skip 4 - 5 - 6 - skip 7

4th week: 1 - 2 - skip 3 - 4 -5 - skip 6 - 7

This shows that the Monday-Tuesday pattern repeats every 3 weeks.

To be precise week 1, 4, 7, 10, 13, 16, 19, 22 and 25

Number of weeks in 180 days is 25 (and a remainder of 5 days, a 26th week so to say).

This shows that for 9 weeks Mario has the Monday-Tuesday pattern.

Answer:

To find 40% of a number, you can multiply the number by 0.4 or divide it by 2.5.

Using this method, we get:

40% of 100 is 40 (100 x 0.4 or 100 ÷ 2.5)

40% of 110 is 44 (110 x 0.4 or 110 ÷ 2.5)

40% of 140 is 56 (140 x 0.4 or 140 ÷ 2.5)

40% of 120 is 48 (120 x 0.4 or 120 ÷ 2.5)

Therefore, 40% of 100 is 40, 40% of 110 is 44, 40% of 140 is 56, and 40% of 120 is 48.

Marcel can set a goal of purchasing the house in 5 years. The timeframe Factor enables Marcel to work towards his financial goal within a specified period.

Marcel's financial goal is to purchase a house. To make Marcel's financial goal of purchasing a house a specific goal, he can identify the following factors:

Specificity: Marcel should specify the type of house he wants to purchase. This includes the size of the house, the number of rooms, the location, the neighborhood, and the amenities he wants in the house. For instance, Marcel can specify that he wants to purchase a 3-bedroom bungalow house located in a suburban area.

Measurability: Marcel should identify how much money he needs to purchase the house. This means that he should set a financial target that he wants to achieve to be able to purchase the house. For instance, Marcel can set a target of saving $100,000 in 3 years to purchase the house. The measurability factor enables Marcel to track his progress toward achieving his financial goal.

Attainability: Marcel should set a financial goal that is achievable based on his income and financial situation. For instance, if Marcel's current income cannot enable him to save $100,000 in 3 years, he can adjust his financial goal to suit his financial situation.

Realistic: Marcel should set a realistic financial goal that he can achieve given his resources and time frame. For instance, Marcel should not set a financial goal that is too high that he cannot achieve it or too low that it does not challenge him.

Time-bound: Marcel should set a timeframe within which he wants to achieve his financial goal. This means that Marcel should set a specific date by which he wants to purchase the house.

For instance, Marcel can set a goal of purchasing the house in 5 years. The timeframe factor enables Marcel to work towards his financial goal within a specified period.

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Answer:

-3<x<-2

Step-by-step explanation:

In the graph you can see that from x=-3 to x=-2, the graph is below the x axis, meaning that it is below zero. none of the other options are below zero at their respective ranges, so that's your answer

Answer:

3 lb 11 oz

Step-by-step explanation:

Divide 59 by 16

Answer:

3 pound and 11oz

Step-by-step explanation:

hop3 this helps

Answer: 4000

Step-by-step explanation:

Answer:

\(\huge\boxed{\sf x = 9}\)

Step-by-step explanation:

3(x + 4) - 11 = 28

3(x + 4) = 28 + 11

3(x + 4) = 39

3x + 12 = 39

3x = 39 - 12

3x = 27

x = 27/3

\(\rule[225]{225}{2}\)

An equation that represents a line parallel to the line shown on the graph is y = 2x + 1

A line is the distance between two points. The equation of a line in slope-intercept form is y = mx + b

Given the equation of the line as y = 2x + 3

The equation is parallel to the line must have the same slope. Since the slope of the line is 2, the correct equation will be the function with a slope of 2.

Hence an equation that represents a line parallel to the line shown on the graph is y = 2x + 1

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The expression (sinx + cosx)^2 + (sinx - cosx)^2 simplifies to

To simplify the expression (sinx + cosx)^2 + (sinx - cosx)^2 using trigonometric identities, we can expand and simplify the expression.

Expanding the squared terms

(sin^2x + 2sinxcosx + cos^2x) + (sin^2x - 2sinxcosx + cos^2x)

Using the trigonometric identity sin^2x + cos^2x = 1, we can simplify further:

(1 + 2sinxcosx + 1) + (1 - 2sinxcosx + 1)

Simplifying the expression, we have:

2 + 2sinxcosx + 2

Combining like terms, we get:

4 + 2sinxcosx

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Answer:

Step-by-step explanation:

The percentage of students who are doing their homework regularly is 75%.

A universal set in set theory is a set that includes itself as well as all other items. A universal set's nonexistence in set theory as it is typically expressed can be demonstrated in a number of different ways. However, a universal set is a part of several unconventional set theory variations.

To find the percentage of students who are doing their homework regularly,

We find the total students and this is 75 + 5 = 80 students

The percentage is 60/80 * 100

= 75%

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