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(a) What is the probability that the sample mean tax is less than $7900? Round the answer to at least four decimal places. The probability that the sample mean tax is less than $7900 is X

(a) What is the probability that the sample mean tax is less than $7900? Round the answer to at least four decimal places. The probability that the sample mean tax is less than $7900 is X

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Taxes: The Internal Revenue Service reports that the mean federal income tax paid in the year 2010 was $8040. Assume that the standard deviation is $4500. The IRS plans to draw a sample of 1000 tax returns to study the effect of a new tax law. Part: 0 / 5 Part 1 of 5 (a) What is the probability that the sample mean tax is less than $7900? Round the answer to at least four decimal places. The probability that the sample mean tax is less than $7900 is X
Transcribed Image Text:Taxes: The Internal Revenue Service reports that the mean federal income tax paid in the year 2010 was $8040. Assume that the standard deviation is $4500. The IRS plans to draw a sample of 1000 tax returns to study the effect of a new tax law. Part: 0 / 5 Part 1 of 5 (a) What is the probability that the sample mean tax is less than $7900? Round the answer to at least four decimal places. The probability that the sample mean tax is less than $7900 is X
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