nsider the following frequency table representing the distributic morning walk with the dog (in miles) Length of a Walk (in Miles) Class 0.34-0.40 0.41-0.47 0.48-0.54 0.55-0.61 0.62-0.68 Frequency 13 8 15 13 Step 2 of 2: Determine the midpoint for the fourth class.

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A: For the given table, We have to calculate Test statistic and p value Test statistic = chi square…

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A: Solution:X follows Uniform(a = 47.0, b=57.0)Pdf of Uniform distribution isf(x) = 1/(b - a) when…

Q: A variable x is normally distributed with mean 19 and standard deviation 7. Round your answers to…

A: Given,mean(μ)=19Standard deviation(σ)=7

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget…

A: Given Mean=45 Standard deviations=7

Q: In a recent year, the mean number of strokes per hole for a golfer was approximately 3.6. (a) Find…

A:

Q: I will use the calculator command T-Test or T-interval on the difference of the samples if         […

A: The objective is to identify the commands used on a calculator for the given tests.

Q: The test statistic of z=2.75 is obtained when testing the claim that p *0.877. a. Identify the…

A: GivenTest statistic(z)=2.75claim is that p≠0.877

Q: Giving a test to a group of students, the grades and genders are summarized below.   A B C Total…

A: Given data is   A B C Total Male 11 2 15 28 Female 18 3 10 31 Total 29 3 25 59

Q: 2. A new insecticide laboratory test, the immediately after contact. Is this sufficient evidence to…

A: Given Alpha=0.05 X=384 n=400

Q: A study wanted to compare the weight loss between two drugs. They sampled 60 people. 30 who took…

A: Suppose μ1, μ2 as the average weight loss using drug A and drug B, respectively.

Q: A supplier of eggs to grocers nationwide studied the mean egg length of eggs produced at their farms…

A: Given info: A supplier of eggs to grocers nationwide studied the mean egg length of eggs produced at…

Q: ation for each of the two samples; then compare the variation. Systolic 120 129 160 94 154 122 114…

A:

Q: recent poll reports that between 53% and 59% of voters will vote for president george in the next…

A: The confidence interval is (53%, 59%).

Q: 2010 the Pew Research Center reported that teenagers send on average 50 text messages every day. A…

A: Given that  Sample size n =25 Sample mean =47.75 Standard deviation =15

Q: Dirty air: The federal government has enacted maximum allowable standards for air pollutants such as…

A: Provided information: The probability distribution table is given by, x 0 1 2 3 4 P(x) 0.32…

Q: Use Excel to find the z-scores that bound the middle 66% of the area under the standard normal…

A: Since you have posted multiple questions, we will solve the first question for you. If you want any…

Q: The Wind Mountain archaeological site is located in southwestern New Mexico. Wind Mountain was home…

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Q: esc ! Use the ALEKS calculator to solve the following problems. (a) Consider a t distribution with 9…

A:

Q: ject 1 2 3 4 5 6 7 8 9 Score 40 45 42 51 63 64 67 52 44 ctivity -0.106 0.391 0.011 0.365 0.023 0.42…

A: subject score brain activity 1 40 -0.106 2 45 0.391 3 42 0.011 4 51 0.365 5 63 0.023 6…

Q: Express the confidence interval 0.777 <p<0.999 in the form p+E.

A: The confidence interval for population proportion is given by (0.777, 0.999).

Q: Suppose a card is drawn at random from a standard deck. The card is then shuffled back into the…

A: It is known that Number of hearts = 13 Number of black cards = 26 Number of Jack = 4 Total cards in…

Q: A variable x is normally distributed with mean 20 and standard deviation 8. Round your answers to…

A: GivenMean(μ)=20standard deviation(σ)=8

Q: A linear regression analysis is used to analyze the relationship of the sleep time the night before…

A: Given info: A linear regression analysis is used to analyze the relationship of the sleep time the…

Q: Use Excel to find the z-score for which the area to its left is 0.52. Round the answer to two…

A: Given Z score is 0.52

Q: 2. A new insecticide laboratory test, the immediately after contact. Is this sufficient evidence to…

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Q: College bound: A national college researcher reported that 64% of students who graduated from high…

A: Given,n=30p=0.64q=1-0.64=0.36A random variable X~Binomial(n=30 , p=0.64)P(X=x)=Cx0.64x0.3630-x     ;…

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A: The data set represents rim diameters.

Q: Netflix: A study conducted by a technology company showed that the mean time spent per day browsing…

A: Hypothesis test are used to compare the sample and population. There are two types of hypothesis…

Q: A portion of the cumulative normal table (z table) is reproduced below. What is P(-2.94 ≤ z ≤ -2.70)

A: GivenP(-2.94≤z≤-2.70)

Q: For an organisation whose funding in 2006 was above the average would you expect their funding in…

A: Given: 2006 2018 247 240 142 153 124 166 18 40 2 3

Q: Suppose that a box contains 8 cameras and that 5 of them are defective. A sample of 2 cameras is…

A: Given P=5/8=0.625 n=2

Q: ly question I need answered is 6.9 but I added 6.7 since it’s needed for

A: Given: P (U) = 0.60 P(D) = 0.40 Let r denote red and b denote blue.

Q: Based on a survey, 38% of likely voters would be willing to vote by internet instead of the…

A: Given: p = 0.38 n = 12 Formula Used: Binomial distribution: If a random variable X follows Binomial…

Q: Question * Let Y be a continuous random variable where the density function is given by: (k ifosys…

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Q: CHOOSE THE LETTER OF THE CORRECT ANSWER NO NEED FOR EXPLANATION.   A. Simple Random Sampling B.…

A: Sample survey To identify the sampling scheme.

Q: Assume that in the detection of a digital signal the background noise follows a normal distribution…

A: Solution: Let X be the detection of a digital signal the background noise. From the given…

Q: The null hypothesis is Ho: ₁ = ₂ and the alternative hypothesis is H: ₁₂. The data in the…

A: For the given data Perform Paired t test

Q: deviation of $675. At a = 0.05, can you support the claim? Complete parts (a) through (e) below.…

A:

Q: Determine the point estimate of the population proportion, the margin of error for the following…

A: Given,Lower bound=0.081Upper bound=0.409n=1000

Q: Find the mean, median, mode, and range for the following data set and determine the most appropriate…

A: Solution: The observation in increasing order are 6, 10, 13, 15, 20, 24, 24, 25, 26, 26, 30, 31, 35,…

Q: (a) The 9 'members of a fraternity have the following test scores: 118, 119, 121, 124, 125, 127,…

A: Descriptive statistic is used to summarize the data set. It can be summarized using two measures…

Q: Test whether people with a specific genetic marker are more likely to have suffered from clinical…

A: 40% of the 45 people in a sample with the genetic marker; 12% of the 750 people in the sample…

Q: You measure 43 backpacks' weights, and find they have a mean weight of 69 ounces. Assume the…

A: Given that  Sample size n =43 Sample mean =69 Population standard deviation =7.6

Q: 5) Divide the data into two groups: those with High School GPA under 3.5 and High School GPA 3.5 or…

A: Given information: High school College GPA 3.85 3.68 3.22 3.1 2.99 2.72 3.89 3.61 4.1 4…

Q: Excel Display Difference t (Observed value) t (Critical value) DF p-value (one-tailed) alpha Print 3…

A:

Q: What is the null hypothesis H0 and the alternative hypothesis H1?

A: Here p=76%              =76/100            =0.76 So null and alternative hypothesis is  Null…

Q: candidate A is facing two opposing candidates. In a preselected poll of 100 residents supported…

A: Given: Sample size(n)=100Number supported to candidate (B)=22Number supported to candidate…

Q: Imagine that you do a correlation on some X/Y data and you find the following values: Mx = 9, My =…

A: Given Mx = 9, My = 13, SSx = 80, SSy = 90, SP = +35.

Q: College bound: A national college researcher reported that 68% of students who graduated from high…

A: Givenp=0.68n=32Let "x" be the no. of students enroll in collegex~Binomial(n=32 ,…

Q: 3. The following sample contains values of the price and quantity sold of a particular commodity.…

A: Given: ∑x=27∑y=342∑x2=163∑xy=1295∑y2=21062n=6