What is the specialization of Dottie's Tax facility

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Reference no: EM132267

Question

Dottie's Tax facility specializes in federal tax returns for professional clients, such as physicians, dentists, accountants, and lawyers. A recent audit by the IRS of the returns she equipped indicated that an error was made on 11 percent of returns she prepared last year. Assume this rate continues into this year and she prepares 57 returns. What is prospect that she makes errors on-

(a) More than 6 returns? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

(b) At least 6 returns? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Reference no: EM132267

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