>Question 4The lengths of adult males' hands are normally distributed with mean 192 mm and standard deviation is 7mm. Suppose that 7 individuals are randomly chosen. Round all answers to 4 where possible.a. What is the distribution of ? - N(b. For the group of 7, find the probability that the average hand length is more than 188.c. Find the first quartile for the average adult male hand length for this sample size.d. For part b), is the assumption that the distribution is normal necessary? O No YesHint:Some Helpful Videos:• Finding the Sampling Distribution [+]• Finding a Probability Using the Central Limit Theorem [+]• Finding Value Given a Probability Using the Central Limit Theorem [+]. The Central Limit Theorem For ns [+]HintSubmit Question40%$R516T4-^64+Y90& BA7*U19 1448ly1tioCIDII9DDIOPA

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Answered: The lengths of adult males' hands are…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The lengths of adult males' hands are normally distributed with mean 187 mm and standard deviation is 7 mm. Suppose that 42 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of ? NO b. For the group of 42, find the probability that the average hand length is less than 189. c. Find the first quartile for the average adult male hand length for this sample size. Round to 2 decimal places. d. For part b), is the assumption that the distribution is normal necessary? Yes No Question Help: Written Example Message instructor Submit Question H a
The lengths of adult males' hands are normally distributed with mean 185 mm and standard deviation is 7.3 mm. Suppose that 43 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of ? - N b. For the group of 43, find the probability that the average hand length is less than 186. c. Find the first quartile for the average adult male hand length for this sample size. Round to 2 decimal places. d. For part b), is the assumption that the distribution is normal necessary? No Yes o
The lengths of adult males' hands are normally distributed with mean 186 mm and standard deviation is 7.1 mm. Suppose that 46 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of ? a - N( b. For the group of 46, find the probability that the average hand length is more than 184. c. Find the first quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? O YesO No
The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and a standard devilation of 5 ounces. 35 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X N b. What is the distribution of z? - N( c. What is the probability that one randomly selected person drinks between 14.6 and 15.3 ounces of coffee per day? d. For the 35 people, find the probability that the average coffee consumption is between 14.6 and 15.3 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? Yes f. Find the IQR for the average of 35 coffee drinkers. No Q1 = ounces Q3 = ounces IQR: ounces
The average price of a college math textbook is $172 and the standard deviation is $28. Suppose that 13 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of a? N( b. For the group of 13, find the probability that the average price is between $171 and $183. c. Find the first quartile for the average textbook price for this sample size. S (round to the nearest cent) d. For part b), is the assumption that the distribution is normal necessary? O YesO No
Please help with A b and c
The lengths of adult males' hands are normally distributed with mean 189 mm and standard deviation is 7.3 mm. Suppose that 46 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of x? ¤ - N( b. For the group of 46, find the probability that the average hand length is more than 188. c. Find the third quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? O YesO No Hint: Some Helpful Videos: Finding the Sampling Distribution [+] Finding a Probability Using the Central Limit Theorem [+] Finding Value Given a Probability Using the Central Limit Theorem [+] • The Central Limit Theorem For Sums 2 [+]
The average price of a college math textbook is $175 and the standard deviation is $23. Suppose that 14 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of ¯ x ? ¯ x ~ N b. or the group of 14, find the probability that the average price is between $170 and $179. c. Find the third quartile for the average textbook price for this sample size
The average price of a college math textbook is $156 and the standard deviation is $30. Suppose that 15 textbooks are randomly chosen. Round all answers to 4 decimal places where possible.a. What is the distribution of x¯? x¯~ N(? , ?) b.For the group of 15, find the probability that the average price is between $151 and $156. c.Find the first quartile for the average textbook price for this sample size. $ ? (round to the nearest cent)
The lengths of adult males' hands are normally distributed with mean 187 mm and standard deviation is 7 mm. Suppose that 40 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of z? 7 - N b. For the group of 40, find the probability that the average hand length is more than 188. C. Find the third quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? Yes No
The lengths of adult males' hands are normally distributed with mean 185 mm and standard deviation is 7.5 mm. Suppose that 17 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of æ? ¤ - N( b. For the group of 17, find the probability that the average hand length is more than 184. c. Find the first quartile for the average adult male hand length for this sample size. Round to 2 decimal places. d. For part b), is the assumption that the distribution is normal necessary? Yes No

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