is $47,750. Assume that the distribution is normal and the standard deviation is $5680. Find these probabilities of the earnings of a teacher selected randomly. Round the final answers to at least four decimal places and

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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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 these probabilities of the earnings of a
teacher selected randomly. Round the final
answers to at least four decimal places and
intermediate z value calculations to two
decimal places.
More than 43,000 a year
P(X> 43,000)=
Transcribed Image Text: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 these probabilities of the earnings of a teacher selected randomly. Round the final answers to at least four decimal places and intermediate z value calculations to two decimal places. More than 43,000 a year P(X> 43,000)=
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