MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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 7 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 ¤? ¤ - N(
c. What is the probability that one randomly selected
person drinks between 16.9 and 17.4 ounces of coffee
per day?
d. For the 35 people, find the probability that the
average coffee consumption is between 16.9 and 17.4
ounces of coffee per day.
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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 7 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 ¤? ¤ - N( c. What is the probability that one randomly selected person drinks between 16.9 and 17.4 ounces of coffee per day? d. For the 35 people, find the probability that the average coffee consumption is between 16.9 and 17.4 ounces of coffee per day.
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