The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 75 inches and a standard deviation of 15 inches. If X-bar represents the average amount of snowfall in 20 years, find k such that P(X-bar>k) = 0.70. Round your answer to 3 decimal places. Group of answer choices 39.822 82.866 110.178 73.241 76.759

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
icon
Related questions
Question
The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 75 inches and a standard deviation of 15 inches. If X-bar represents the average amount of snowfall in 20 years, find k such that P(X-bar>k) = 0.70. Round your answer to 3 decimal places.
Group of answer choices
39.822
82.866
110.178
73.241
76.759 
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill