Find the degree of the monomial.
8m2n4​

Answer:

t-test for difference in slopes

no association exists

Step-by-step explanation:

t-test can be used to determine signifiance in difference in slopes of of fit vs time and not fit vs time graph

The data shows that as number of hours spent watchnig television increases, there is no increasing or decreasing trend in number of people fit or not fit. The number of people fit or not fit seems to be distributed around 629 for 1-2 hours of watching television. There trend is not consistent in both cases with increasing number of hours

Answer:

According to the information from the exercise, we can deduce that the regression technique is the method of analysis for IMDb ratings and Rotten tomato ratings, so we have a dependent variable such as rotten tomatoes and the independent one that is IMDb-rating. We can say that in this analysis that the variation of the dependent variable is explained by the coefficient of determination, we observe that the coefficient of determination is 0.63 if we convert it into a percentage we obtain that it is equal to 63.65% and we approach 64%, with which which we affirm that it is equal to 64, so this value is the influence that the IMDb ratings generated on the ratings of rotten tomatoes

The percentage of variability in Rotten Tomato ratings explained by the changes in IMDb ratings is represented by the R-squared value of 0.64. Therefore, the correct answer is B. 0.64.

To determine the percentage of variability in Rotten Tomatoes ratings that is explained by the changes in IMDb ratings as described by the regression line, we need to look at the [tex]\( R^2 \)[/tex] value (coefficient of determination).

In the results provided:

[tex]\[R^2 = 0.63658418\][/tex]

This [tex]\( R^2 \)[/tex] value represents the proportion of variability in the dependent variable (Rotten Tomatoes ratings) that can be explained by the independent variable (IMDb ratings) in the regression model.

So, the percentage of variability in Rotten Tomato ratings that is explained by changes in IMDb ratings is:

[tex]\[R^2 = 0.63658418 = 0.64 \text{ or} 64%)\][/tex]

Therefore, the correct answer is:

b. 0.64

It's B

Step-by-step explanation:

Answer:

P(blue) = 0.33

P(green) = 0.14

P(purple) = 0.24

P(yellow) = 0.29

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question, we have that:

7+3+6+5 = 21 tils.

7 of them are blue. So

P(blue) = 7/21 = 0.33

3 of them are green. So

P(green) = 3/21 = 0.14

6 of them are yellow. So

P(yellow) = 6/21 = 0.29

5 of them are purple. So

P(purple) = 5/21 = 0.24

Answer:

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

According to the question

7 + 3 + 6 + 5 = 21 in a bag

[tex]P(blue) = \frac{7C_1}{21C_1} \\\\=\frac{7}{21} \\\\=\frac{1}{3} \\\\= 0.33[/tex]

[tex]P(green) = \frac{3C_1}{21C_1} \\\\= \frac{3}{21} \\\\=\frac{1}{7} \\\\= 0.14[/tex]

[tex]P(yellow)=\frac{6C_1}{21C_1} \\\\=\frac{6}{21}\\\\=\frac{2}{7} \\\\=0.29[/tex]

[tex]P(purple) = \frac{5C_1}{21C_1} \\\\=\frac{5}{21} \\\\=0.24[/tex]

Answer:

lower interval = -1.715

upper interval = 7.715

Step-by-step explanation:

The 95% confidence interval for the difference in mean number of units of the appliance sold at all retail stores for this case is  [-1.667, 7.667]

Supposing the samples are large, let we're given that:

For first sample:

For second sample:

Suppose the confidence level be p% = p/100 in decimal, then the level of significance would be [tex]\alpha = 1 - p/100[/tex]

Then, the margin of error would be:

[tex]MOE = Z_{\alpha/2}\sqrt{\dfrac{s_1^2}{n_1} + \dfrac{s_2^2}{n_2}}[/tex]

where [tex]Z_{\alpha/2}[/tex] is the critical value of Z at level of significance [tex]\alpha[/tex]

The confidence interval would be:

[tex]CI = \overline{x}_1 - \overline{x}_2 \pm MOE[/tex]

Thus, for this case, we're specified that:

For first sample (SRS this month):

For first sample(SRS last month):

Level of significance = 1 - 95/100 = 0.05

The critical value of z at 0.05 level of significance (from the tables of critical value of Z) is: [tex]Z_{0.05/2} = 1.96[/tex]

Thus, the margin of error would be:

[tex]MOE = Z_{\alpha/2}\sqrt{\dfrac{s_1^2}{n_1} + \dfrac{s_2^2}{n_2}}\\\\\\MOE = 1.96\sqrt{\dfrac{11^2}{50} + \dfrac{13^2}{52}}\\\\MOE \approx 4.667[/tex]

Thus, the confidence interval would be:

[tex]CI = \overline{x}_1 - \overline{x}_2 \pm MOE\\CI \approx 41 - 38 \pm 4.667\\CI \approx 3 \pm 4.667\\CI \approx [3 - 4.667, 3 + 4.667] = [-1.667, 7.667][/tex]

Thus, the 95% confidence interval for the difference in mean number of units of the appliance sold at all retail stores for this case is  [-1.667, 7.667]

Learn more about confidence interval for difference in mean of two samples here:

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Answer:

159

Step-by-step explanation:

Answer:

159

Step-by-step explanation:

Answer:

RS, RT and ST

Step-by-step explanation:

A tangent to a circle is a line that meets a circle at only one point.

AP is the radius and XT is not even a line.

Hope it helps!

Start with

[tex]4x - 10 = 18[/tex]

Add 10 to both sides:

[tex]4x - 10+10 = 18+10[/tex]

This cancels the "-10" on the left hand side:

[tex]4x = 28[/tex]

Divide both sides by 4:

[tex]\dfrac{4x}{4} = \dfrac{28}{4}[/tex]

This cancels the 4 on the left hand side:

[tex]x = 7[/tex]

4x - 10 = 18| + 10

4x - 10 + 10 = 18 + 10

4x = 28| ÷ 4

4x ÷ 4 = 28 ÷ 4

x = 7

Answer: The probability that the first coin will land heads up is : 50

               The probability that the second coin will land heads up is

               The probability that both coins will land heads up is : 25

Step-by-step explanation:

Answer: Both coins 1/4

First coin 1/2

Second coin 1/2

Answer:

1).

7, rational

2).

2.36 (repeating), irrational

3).

[tex]Simplify:\frac{734}{1000} / \frac{2}{2} = \frac{367}{500}[/tex]

4).

[tex]Simplify: \frac{2588}{1000} /\frac{4}{4} =\frac{647}{250} \\If.you.want.to.convert.it.to.a.mixed.fraction: 2\frac{147}{250}[/tex]

Answer: $3.74

Step-by-step explanation: 44.88/12=3.74

Answer:

Jodi paid $3.74 for each gallon of gas

Step-by-step explanation:

Answer:

There are 27,720 ways to select the committee

Step-by-step explanation:

First, it is necessary to know how many ways are there to select 3 members, if there are 9 members of the mathematics department. This can be found using the following equation:

Where nCk gives as the number of ways in which we can select k elements from a group of n elements. So, replacing n by 9 and k by 3 members, we get:

So, there are 84 ways to select 3 members from 9 members of the mathematics department.

At the same way, we can calculate that there are 330 ways to select 4 members from the 11 that belong to the Computer science department as:

Finally the total number of ways in which we can form a committee with 3 faculty members from mathematics and 4 from the computer science department is calculated as:

9C3 * 11C4 = 84 * 330 = 27,720

Answer:

We conclude that the true mean weight is not 28.3 grams at 5% significance level.

Step-by-step explanation:

We are given that some students checked 6 bags of Doritos marked with a net weight of 28.3 grams.

They carefully weighed the contents of each bag, recording the following weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5. The average weight is 29.0 and the standard deviation is 0.36.

Let [tex]\mu[/tex] = true mean weight of bag.

So, Null Hypothesis, [tex]H_0[/tex] : [tex]\mu[/tex] = 28.3 grams     {means that the true mean weight is 28.3 grams}

Alternate Hypothesis, [tex]H_A[/tex] : [tex]\mu[/tex] [tex]\neq[/tex] 28.3 grams     {means that the true mean weight is not 28.3 grams}

The test statistics that would be used here One-sample t test statistics as we don't know about the population standard deviation;

                       T.S. =  [tex]\frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }[/tex]  ~ [tex]t_n_-_1[/tex]

where, [tex]\bar X[/tex] = sample mean weight = 29.0 grams

            s = sample standard deviation = 0.36 grams

            n = sample of bags = 6

So, test statistics  =  [tex]\frac{29.0-28.3}{\frac{0.36}{\sqrt{6} } }[/tex]  ~ [tex]t_5[/tex]

                               =  4.763

The value of t test statistics is 4.763.

Since, in the question we are not given the level of significance so we assume it to be 5%. Now, at 5% significance level the t table gives critical values of -2.571 and 2.571 at 5 degree of freedom for two-tailed test.

Since our test statistics does not lie within the range of critical values of t, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which we reject our null hypothesis.

Therefore, we conclude that the true mean weight is not 28.3 grams.

There is strong evidence to suggest that the true mean weight of the Doritos bags is not 28.3 grams, based on a hypothesis test that resulted in a very low p-value.

To determine if there is strong evidence that the true mean weight of the Doritos bags is not 28.3 grams, we perform a hypothesis test using the given data.

State the null hypothesis (H0) and the alternative hypothesis (Ha):

H0: μ = 28.3 grams (the true mean weight is 28.3 grams)

Ha: μ ≠ 28.3 grams (the true mean weight is not 28.3 grams)

Calculate the test statistic:

The test statistic for a sample mean is given by:

z = (sample mean - population mean) / (standard deviation / √(n))

Here, the sample mean = 29.0 grams, population mean = 28.3 grams, standard deviation = 0.36 grams, and n = 6.

Thus, z = (29.0 - 28.3) / (0.36 / √(6)) ≈ 4.08

Using a z-table, the p-value associated with a z-score of 4.08 is extremely small (much less than 0.05).

Compare the p-value to the significance level (α):

At α = 0.05, since the p-value is much smaller, we reject the null hypothesis.

Since the p-value is very low, there is strong evidence to suggest that the true mean weight of the Doritos bags is not 28.3 grams.

Answer:

1.88 minutes

Step-by-step explanation:

This question can be solved using speed, distance and time concept along-with use of computing fractions.

Given

Distance ran by Kirby = 3/4 of half mile

                                    = 3/4 of 1/2 mile = 3/4 * 1/2 mile = 3/8 mile.

Speed of Kirby until she dropped out of race = 12 miles/hour

Formula to calculate time = Distance/Time

substituting value of speed of Kirby and distance covered by Kirby

Time = [tex](3/8) / 12 = 3/(8*12) = 1/32 \ hour[/tex]

Since one hour has 60 minutes 1/32 hour = (1/32) * 60 minutes = 1.88 minutes

Answer:

C.

Step-by-step explanation:

In geometry, a vertex is the point where three or more edges meet on a shape (a 3-dimensional one of course). The other letters label sides or faces of the shape.

Answer:

C

Step-by-step explanation:

The easiest way to explain it is that A,B, and D are all labeling lines. A vertex is like a corner, with at least three lines protruding from it. A vertex is each angular point in a shape.

hope this helps :)

Answer:

V =4939.22 mm^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h

where r is the radius and h is the height

V = 3.14 (11)^2 *13

V =4939.22 mm^3

Answer:

Well none of the answers are correct as maximum height is found by doing -b/2a which gives the x coordinate of the vertex also known as the heighest or lowest point. But when plugged in it gives the lowest point assuming you made the mistake of making the 16 positive when its supposed to be negative you would plug it in and get 98 which isn't an answer choice assuming 34 is the ground when you subtract that you get 64 whch still isn't an answer choice check your numbers in the equation

Answer:

64 feet

Step-by-step explanation:

You can solve this by completing the square and turning the equation into that of a parabola, where the uppermost vertex is the highest point in the ball's flight path.

[tex]h=-16(t^2-4t+4)+98[/tex]

[tex]h=-16(t-2)^2+98[/tex]

Since the first term there is negative, the largest possible answer that you can get is if that term is 0. The only way to make it 0 is for t to be 2, so you know that that is when the highest point is. If the first term is 0, all that is left is 98, which is the highest height. However, since you initially start at 98, you only end up going 64 feet up (I guess C is the closest to that?). Hope this helps!

Answer:

C. 5 feet

Step-by-step explanation:

Answer:

5 foot 1 foot + 2 foot + 24 inches

Answer:

the 3rd one

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

because it has too many on one side

Answer:

You did not provide any function...therefore, i cant give you a proper answer.

Step-by-step explanation:

Answer:

The expression that uses the distributive property to represent the sum of 39 + 27 is [tex]3(13 + 9)[/tex]

Step-by-step explanation:

Given

Expression: 39 + 27

Required

Express using the distributive property

The distributive property is represented in the form a(b + c)

So, we can say that the meaning to the question is that the given expression should be represented in the form a(b+c)

Equate these two expressions, we have

[tex]a(b+c) = 39 + 27[/tex]

Factorize the expression on the left hand side

[tex]a(b+c) = 3(\frac{39}{3} + \frac{27}{3})[/tex]

Simplify fraction

[tex]a(b+c) = 3(13 + 9)[/tex]

Compare expression on left hand side with the expression on the right hand side.

Since, they have the same format, then we've arrived at the answer.

Hence, the expression that uses the distributive property to represent the sum of 39 + 27 is [tex]3(13 + 9)[/tex]

The expression that represents the sum of 39 + 27 using the distributive property is 39 + 27 = (30 + 9) + (20 + 7) = 66.

The expression that represents the sum of 39 + 27 using the distributive property is:

39 + 27 = (30 + 9) + (20 + 7) = 30 + 20 + 9 + 7 = 50 + 16 = 66

To apply the distributive property, we break down the numbers into their place values and add them together. In this case, we can break down 39 into 30 + 9, and 27 into 20 + 7. Then, we add the numbers in each place value group separately and combine the results to get the final sum of 66.

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Answer:

B. It is too risky to use credit cards online, and online payment services have better security because of the increasing number of hackers that may steal money from your bank account.

Step-by-step explanation:

Answer:

Check the explanation

Step-by-step explanation:

Kindly check the attached images below to see the step by step explanation to the question above.

Final answer:

The degree of imperfect information varies depending on the transaction type. Buying apples or dinner locally involves relatively low imperfect information because of the immediate availability of visual or experiential information, whereas buying a used laptop or ordering flowers online involves higher imperfect information due to the lack of direct product interaction.

Explanation:

Imperfect Information in Economic Transactions

The concept of imperfect information refers to a situation where one or both parties in a transaction do not have all the necessary information to make an entirely informed decision. When assessing the degree of imperfect information in various scenarios, it is essential to consider the transparency and availability of information about the product or service, as well as the trustworthiness of the source providing it.

Buying apples at a roadside stand: The degree of imperfect information is expected to be relatively low as the buyer can visually inspect the apples and assess their quality on the spot.

Buying dinner at the neighborhood restaurant: Imperfect information is also expected to be relatively low since, through prior experience or reputation, one usually has an idea about the quality of food and service.

Buying a used laptop computer at a garage sale: Imperfect information would be relatively high as the buyer may not have the expertise to thoroughly check the laptop's condition or know its history.

Ordering flowers over the internet for a friend in a different city: The degree of imperfect information could be high since the buyer cannot see the actual flowers being sent and must rely on the vendor's description and reputation.

These situations highlight how different market transactions harbor varying levels of imperfect information, which can influence a buyer's willingness to pay and overall decision-making process, according to the principles of behavioral economics. Unlike mainstream economics, which assumes rational actors with perfect information, behavioral economics acknowledges that decisions are often made based on relative outcomes and perceived value rather than absolute savings.

Answer:

The minimum sample size required is 49.

Step-by-step explanation:

The (1 - α)% confidence interval for the difference between two proportions is:

[tex]CI=(\hat p_{1}-\hat p_{2})\pm z_{\alpha/2}\ \sqrt{\frac{\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})}{n}}[/tex]

*The sample size is considered equal in this case.

The width of the interval is at most 0.40.

Then the margin of error of the interval will be:

MOE = Width ÷ 2 = 0.20

The formula of the margin of error is:

[tex]MOE= z_{\alpha/2}\ \sqrt{\frac{\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})}{n}}[/tex]

Assume that the two sample proportion values are 0.50.

The critical value of z for 95% confidence level is:

[tex]z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96[/tex]

Compute the sample size required as follows:

[tex]MOE= z_{\alpha/2}\ \sqrt{\frac{\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})}{n}}[/tex]

      [tex]n=[\frac{z_{\alpha/2}\times \sqrt{\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})}}{MOE}]^{2}[/tex]

          [tex]=[\frac{1.96\times \sqrt{0.50(1-0.50)+0.50(1-0.50)}}{0.20}]^{2}\\\\=48.02\\\\\approx 49[/tex]

Thus, the minimum sample size required is 49.

Answer:

Just divide dollar amount by unit count

2.35/24 =$ ______ per pencil

so each= =0.097917

so 97 cents

The amount that a single pencil cost is $0.10 per pencil.

Using this formula

Cost per pencil=Cost of pencil per pack/Number of pencil per pack

Where:

Cost of pencil per pack=$2.35

Number of pencil  per pack=24 pencil

Let plug in the formula

Cost per pencil=$2.35/24

Cost per pencil=$0.098

Cost per pencil=$0.10 (Approximately)

Inconclusion the amount that a single pencil cost is $0.10 per pencil.

Learn more here:

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Answer:

$0.34

Step-by-step explanation:

a = p*w

a = .06*5.65

a = 0.339

rounded = 0.34

hope this helps :)

Answer:

57.6 Liters

Step-by-step explanation:

18 - 3.6 to find what 1 quarter is

14.4 * 4 to find the total amount it can hold

= 57.6