The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and a standard deviation of 6 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 x? a - N( c. What is the probability that one randomly selected person drinks between 15.7 and 16.1 ounces of coffee per day?
The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and a standard deviation of 6 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 x? a - N( c. What is the probability that one randomly selected person drinks between 15.7 and 16.1 ounces of coffee per day?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Transcribed Image Text:The amount of coffee that people drink per day is
normally distributed with a mean of 16 ounces and a
standard deviation of 6 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 15.7 and 16.1
ounces of coffee per day?
d. For the 35 people, find the probability that
the average coffee consumption is between
15.7 and 16.1 ounces of coffee per day.
e. For part d), is the assumption that the
distribution is normal necessary?O NoO Yes
f. Find the IQR for the average of 35 coffee
drinkers.
Q1
ounces
Q3 =
ounces
IQR:
ounces
II
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