A recent survey shows that the average of American household’s annual expenditure on coffee is $54.16 with a standard deviation of $10.50. We randomly select a household. Assuming that the expenditure follows normal distribution, find: a)The probability that their annual expenditure on coffee is less than $25? b)The probability that it is more than $50? c)The probability that it is between $40 and $60? d)The amount less than which 95% of households spend on coffee?
A recent survey shows that the average of American household’s annual expenditure on coffee is $54.16 with a standard deviation of $10.50. We randomly select a household. Assuming that the expenditure follows normal distribution, find: a)The probability that their annual expenditure on coffee is less than $25? b)The probability that it is more than $50? c)The probability that it is between $40 and $60? d)The amount less than which 95% of households spend on coffee?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
Related questions
Question
A recent survey shows that the average of American household’s annual expenditure on coffee is $54.16 with a standard deviation of $10.50. We randomly select a household. Assuming that the expenditure follows
a)The probability that their annual expenditure on coffee is less than $25?
b)The probability that it is more than $50?
c)The probability that it is between $40 and $60?
d)The amount less than which 95% of households spend on coffee?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill