Determining error probability

Reference no: EM13130198

Dotties Tax Service 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 prepared indicated that an error was made on 13 percent of the returns she prepared last year. Assuming this rate continues into this year and she prepares 58 returns. What is the probability that she makes errors on:

(a) More than 5 returns? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

(b) At least 5 returns? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Reference no: EM13130198

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