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.

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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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