Teachers' Salaries The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5680. Find the probabilities. Use a TI-83 Plus/TI-84 Plus calculator and round the answer to at least four decimal places. Part 1 of 2 (a) A randomly selected teacher earns between S36,000 and $51,000 a year. P(36,00044,000) = |
Teachers' Salaries The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5680. Find the probabilities. Use a TI-83 Plus/TI-84 Plus calculator and round the answer to at least four decimal places. Part 1 of 2 (a) A randomly selected teacher earns between S36,000 and $51,000 a year. P(36,00044,000) = |
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 9MCQ
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Just need help with part 2, thank you!
![Teachers' Salaries The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5680.
Find the probabilities. Use a TI-83 Plus/TI-84 Plus calculator and round the answer to at least four decimal places.
Part 1 of 2
(a) A randomly selected teacher earms between S36,000 and $51,000 a year.
P(36,000 <X<51,000) = 0.6971
Part: 1/2
Part 2 of 2
(b) A randomly selected teacher earns more than $44,000 a year.
P(X>44,000) =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F69011ca4-c35c-4c9b-b5a8-fab278cbd8e4%2F0cb3c284-6404-4608-ae27-37599c9e25cc%2Fr2akb1u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Teachers' Salaries The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5680.
Find the probabilities. Use a TI-83 Plus/TI-84 Plus calculator and round the answer to at least four decimal places.
Part 1 of 2
(a) A randomly selected teacher earms between S36,000 and $51,000 a year.
P(36,000 <X<51,000) = 0.6971
Part: 1/2
Part 2 of 2
(b) A randomly selected teacher earns more than $44,000 a year.
P(X>44,000) =
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