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 Yes No

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter12: Angle Relationships And Transformations
Section: Chapter Questions
Problem 9CP
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Question
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 the two questions.
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
X.
sis
is not
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) v
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 X. sis is not 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) v because the probability that an individual to pays a tax less than $7700 is
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
Yes
No
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 Yes No
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