The lengths of adult males' hands are normally distributedwith mean 185 mm and standard deviation is 7.5 mm.Suppose that 41 individuals are randomly chosen. Round allanswers to 4 where possible.a. What is the distribution of ? - NOb. For the group of 41, find the probability that theaverage hand length is more than 186.c. Find the first quartile for the average adult male handlength for this sample size.d. For part b), is the assumption that the distribution isnormal necessary? Yes No

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Answered: The lengths of adult males' hands are…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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C. Solve for the problem. A population consists of the numbers 2, 4, 5, 9 and 10. Take three numbers as samples from the population. Present the frequency distribution of all the possible samples taken
Dut Trenta and his friends play a game where they will win the amount indicated in the boxes they will pick. In Box 1, 2, 3, 4, 5, and 6, the prizes are 500, 1000, 500, 800, 1500, and 2000 respectively. A random sample of 3 boxes were selected without replacement. Let X be the amount indicated inside a box. a. Find the sampling distribution of ?. b. Find the mean and standard deviation of ?.
From the given data, calculate the mean number of accounts for the sample.A. 1.91B. 2.19C. 2.47D. 3.14
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Construct all random samples consisting two observations from the given data. You are asked to guess the average weight of the six watermelons by taking a random sample without replacement from the population. Watermelon A, B, C, D, E, and F has a weight (in pounds) 19,14,15,9,10 and 17 respectively.k. What is the variance of the sampling distribution of the sample means?l. What is the probability of getting 18.00 as a mean?m. What is the probability of getting 15 as a mean?n. What is the standard deviation of the sampling distribution of the sample means?o. What is the probability of getting 14.50 as a mean?p. What is the probability of getting 16.50 as a mean?
The histogram (click the attacthed photo to view) shows the distribution of hurricanes that have hit a country from 1851 through 2015, where 1 is the weakest level and 5 is the strongest level. A) The mean is? B) The variance is? C)The standard deviation is?
English Philippines) e to search Given Samples A and B below, Sample A: Sample B: Sample A: - 3.2 4.6 Sample B: - a. Calculate the mean and standard deviation for each sample. 2.1 2.6 Sample B: CV- 0.00 0.00 4.5 4.5 2.0 3.2 3.6 2.8 SA 0.00 96 50 11 b. Calculate the coefficient of variation for each sample. Sample A: CV. - 0.00 % E Round to two decimal places if necessari c. Which sample is more variable? 0.00 0.00 2.6 3.1 Sample A Sample B Neither sample is more variable than the other 3.8 4.1 3.8 4.9 3.5 4.6 land I
Find the weighted estimate, p to test the claim that p, = p2. Use a = 0.05. The sample statistics listed below are from independent samples. n, = 50, x, = 35, and = 60, x, = 40 O A. 0.682 O B. 0.238 C. 1.367 D. 0.328
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The mean of the distribution of sample means would be equal to:
Q6. Select the best response. The sampling distribution of the mean will be approximately Normaleven when the population is not exactly Normal as long as the sample is: A. medium B. large C. small
The average final exam score for the statistics course is 43%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is larger. The final exam scores for the 19 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 54, 38, 45, 47, 42, 42, 48, 38, 56, 51, 46, 41, 43, 41, 37, 40, 53, 43, 43 Copy to clipboard What can be concluded at the = 0.05 level of the significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answer H1: ? Select an answer c. The test statistic ? v (please show your answer to 3 decimal places.)

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