he amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and a tandard deviation of 4.5 ounces. 15 randomly selected people are surveyed. Round all answers to 4 lecimal places where possible. a. What is the distribution of X? X-NO b. What is the distribution of ? - N( c. What is the probability that one randomly selected person drinks between 15.5 and 17 ounces of coffee per day? d. For the 15 people, find the probability that the average coffee consumption is between 15.5 and 17 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? No Yes

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
icon
Related questions
Question
100%
The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and a
standard deviation of 4.5 ounces. 15 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(
inces of
c. What is the probability that one randomly selected person drinks between 15.5 and 17 ounce
coffee per day?
d. For the 15 people, find the probability that the average coffee consumption is between 15.5 and 17
ounces of coffee per day.
e. For part d), is the assumption that the distribution is normal necessary? O No Yes
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 4.5 ounces. 15 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( inces of c. What is the probability that one randomly selected person drinks between 15.5 and 17 ounce coffee per day? d. For the 15 people, find the probability that the average coffee consumption is between 15.5 and 17 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? O No Yes
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 4 images

Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

part C marked as wrong! 

Solution
Bartleby Expert
SEE SOLUTION
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt