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Answer these two questions. 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 $4700. The IRS plans to draw a sample of 1000 tax returns to study the effect of a new tax law.

Answer these two questions. 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 $4700. The IRS plans to draw a sample of 1000 tax returns to study the effect of a new tax law.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 2SGR
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Answer these two questions. 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 $4700. The IRS plans to draw a sample of 1000 tax returns to study the effect of a new tax law.
(d) Would it be unusual If the sample mean were less than $7700? Round answer to at least four decimal places. It (Choose one) unusual because the probability of the sample mean being less than sis is not (e) Do you think it would be unusual for an individual to pay a tax of less than $7700? Explain. Assume the varlable is normally distributed. Round the answer to at least four decimal places. (Choose one) ▼ because the probability that an individual to pays a tax less than $7700 Yes No
Transcribed Image Text:(d) Would it be unusual If the sample mean were less than $7700? Round answer to at least four decimal places. It (Choose one) unusual because the probability of the sample mean being less than sis is not (e) Do you think it would be unusual for an individual to pay a tax of less than $7700? Explain. Assume the varlable is normally distributed. Round the answer to at least four decimal places. (Choose one) ▼ because the probability that an individual to pays a tax less than $7700 Yes No
Part 4 of 5 (d) Would it be unusual if the sample mean were less than $7700? Round answer to at least four decimal places. It (Choose one) v unusual because the probability of the sample mean being less than $7700 is Part 5 of 5 (e) Do you think it would be unusual for an individual to pay a tax of less than $7700? Explain. Assume the variable is normally distributed. Round the answer to at least four decimal places. (Choose one) ▼ because the probability that an individual to pays a tax less than $7700 is
Transcribed Image Text:Part 4 of 5 (d) Would it be unusual if the sample mean were less than $7700? Round answer to at least four decimal places. It (Choose one) v unusual because the probability of the sample mean being less than $7700 is Part 5 of 5 (e) Do you think it would be unusual for an individual to pay a tax of less than $7700? Explain. Assume the variable is normally distributed. Round the answer to at least four decimal places. (Choose one) ▼ because the probability that an individual to pays a tax less than $7700 is
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