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d. For the 13 people, find the probability that the average coffee consumption is between 16.5 and 17.5 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? Yes No f. Find the IQR for the average of 13 coffee drinkers. Q1 = ounces Q3 = IQR: ounces ounces

d. For the 13 people, find the probability that the average coffee consumption is between 16.5 and 17.5 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? Yes No f. Find the IQR for the average of 13 coffee drinkers. Q1 = ounces Q3 = IQR: ounces ounces

MATLAB: An Introduction with Applications
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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#17 d-f
O Question 17 ▼ < > The amount of coffee that people drink per day is normally distributed with a mean of 17 ounces and a standard deviation of 5 ounces. 13 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. Check Answer a. What is the distribution of X? X - NO 17 b. What is the distribution of ? - N 17 1.3868 c. What is the probability that one randomly selected person drinks between 16.5 and 17.5 ounces of coffee per day? 0.0797 d. For the 13 people, find the probability that the average coffee consumption is between 16.5 and 17.5 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? O Yes No f. Find the IQR for the average of 13 coffee drinkers. Q1 = Q3 = IQR: ounces ounces ounces 5
Transcribed Image Text:O Question 17 ▼ < > The amount of coffee that people drink per day is normally distributed with a mean of 17 ounces and a standard deviation of 5 ounces. 13 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. Check Answer a. What is the distribution of X? X - NO 17 b. What is the distribution of ? - N 17 1.3868 c. What is the probability that one randomly selected person drinks between 16.5 and 17.5 ounces of coffee per day? 0.0797 d. For the 13 people, find the probability that the average coffee consumption is between 16.5 and 17.5 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? O Yes No f. Find the IQR for the average of 13 coffee drinkers. Q1 = Q3 = IQR: ounces ounces ounces 5
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