According to the Intern al Pevenue Service, the mean tax refund for the year 2014 was $2800 Assu me the stan dard deviation is $450 an d that the amounts retunded follow a normal probabilty distribution. a. What percent of the refunde are more th an $3,00? (Round the Intermediate values to 2 decimal piaces. Round your answer to 2 decimal pleces) Percert 025 1 b. What percent of the refun ds are more th an $3300 but less th an $3.500? (Round the intermed iate values to 2 decimal places Round your ans wer to 2 decimal places) Peroert c. What percent of the refun ds are more th an $2,250 but less than $3,500? (Round the intermediate vol ues o 2 decimel places Round your answer to 2 decimel places) Peroert
According to the Intern al Pevenue Service, the mean tax refund for the year 2014 was $2800 Assu me the stan dard deviation is $450 an d that the amounts retunded follow a normal probabilty distribution. a. What percent of the refunde are more th an $3,00? (Round the Intermediate values to 2 decimal piaces. Round your answer to 2 decimal pleces) Percert 025 1 b. What percent of the refun ds are more th an $3300 but less th an $3.500? (Round the intermed iate values to 2 decimal places Round your ans wer to 2 decimal places) Peroert c. What percent of the refun ds are more th an $2,250 but less than $3,500? (Round the intermediate vol ues o 2 decimel places Round your answer to 2 decimel places) Peroert
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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![According to the Intern al Revenue Service, the mean tax refund for the year 2014 was $2800 Assu me the stan dard devlation I6
$450 an d that the amounts 1etunded follow a normal probability distribution.
a. What percont of the refunde aro more th an $3,100? (Round the Intermediate velues to 2 decimal places. Round your answer
to 2 decimal places)
Percert
0.25 %
b. What percent of the refun ds are more th an $3,100 but less th an $3.500? (Round the intermediete values to 2 dec imal places
Round your ans wer to 2 decimal places)
Peroert
c. What percent of the retun ds are more th an $2,250 but less than $3.500? (Round the inter mediate val ues to 2 decimal
places Round your answer to 2 decimal places)
Peroart](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff5b38737-622a-40a2-b080-ce81f34e7ad0%2F2d376575-7641-4e58-8cfe-a9d78df13dd8%2Fggqtue9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:According to the Intern al Revenue Service, the mean tax refund for the year 2014 was $2800 Assu me the stan dard devlation I6
$450 an d that the amounts 1etunded follow a normal probability distribution.
a. What percont of the refunde aro more th an $3,100? (Round the Intermediate velues to 2 decimal places. Round your answer
to 2 decimal places)
Percert
0.25 %
b. What percent of the refun ds are more th an $3,100 but less th an $3.500? (Round the intermediete values to 2 dec imal places
Round your ans wer to 2 decimal places)
Peroert
c. What percent of the retun ds are more th an $2,250 but less than $3.500? (Round the inter mediate val ues to 2 decimal
places Round your answer to 2 decimal places)
Peroart
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