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The amount of coffee that people drink per day is normally distributed with a mean of 17 ounces and a standard deviation of 4 ounces. 10 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 x? a - N( c. What is the probability that one randomly selected person drinks between 15.5 and 18.5 ounces of coffee per day?

The amount of coffee that people drink per day is normally distributed with a mean of 17 ounces and a standard deviation of 4 ounces. 10 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 x? a - N( c. What is the probability that one randomly selected person drinks between 15.5 and 18.5 ounces of coffee per day?

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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The amount of coffee..
The amount of coffee that people drink per day is normally distributed with a mean of 17 ounces and a standard deviation of 4 ounces. 10 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 x? a - N( c. What is the probability that one randomly selected person drinks between 15.5 and 18.5 ounces of coffee per day? d. For the 10 people, find the probability that the average coffee consumption is between 15.5 and 18.5 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? O YesO No
Transcribed Image Text:The amount of coffee that people drink per day is normally distributed with a mean of 17 ounces and a standard deviation of 4 ounces. 10 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 x? a - N( c. What is the probability that one randomly selected person drinks between 15.5 and 18.5 ounces of coffee per day? d. For the 10 people, find the probability that the average coffee consumption is between 15.5 and 18.5 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? O YesO No
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