The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5,680. What is the probability that a randomly selected teacher earns between $35,000 and $45,000 a year? What is the probability that a randomly selected teacher earns more than $40,000 a year?

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
icon
Related questions
Question

The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5,680. What is the probability that a randomly selected teacher earns between $35,000 and $45,000 a year? What is the probability that a randomly selected teacher earns more than $40,000 a year?

Expert Solution
steps

Step by step

Solved in 3 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