IS 322-According to the Internal Revenue Service
Question # 00402140
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Updated on: 10/10/2016 01:14 AM Due on: 10/10/2016
Exercise 7-19 (LO7-3) According to the Internal Revenue Service, the mean tax refund for the year 2013 was $3,000. Assume the standard deviation is $450 and that the amounts refunded follow a normal probability distribution. |
| a. | What percent of the refunds are more than $3,100? (Round the intermediate values to 2 decimal places. Round your answer to 2 decimal places.) |
| Percent | % |
| b. | What percent of the refunds are more than $3,100 but less than $3,500? (Round the intermediate values to 2 decimal places. Round your answer to 2 decimal places.) |
| Percent | % |
| c. | What percent of the refunds are more than $2,250 but less than $3,500? (Round the intermediate values to 2 decimal places. Round your answer to 2 decimal places.) |
| Percent | % |
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Solution: IS 322-According to the Internal Revenue Service