ecure htps m 2 Chapters 5-76 Help Save&Exit; Dottie\'s Tax Service specializes i

Question

ecure htps m 2 Chapters 5-76 Help Save&Exit; Dottie's Tax Service specializes in federal recent audit by the IRS of the returns she prepared indicated Assuming this rate continues into this year and she prepares 59 retuns, what is the probability that she makes errors on tax returns for professional clients, such as physicians, dentists, accountants, and lawyers A that an error was made on 10% of the returns she prepared last year o. More than 6 returns? (Round your a-score computation to 2 decimal pleces and final answer to 4 decimal places) b. At least 6 returns? Round your a-score computation to 2 decimal places and inel answer to 4 decimal places. e Exacty 6 returns, pound your score computation to 2 decinal pieces and final answer to 4 decirmal places.) 8 9

Explanation / Answer

We would use the binomial distribution for this. The formula would be as follows: -

n!/x!(n-x)!*p^x*q^n-x

n=59, p=0.1, q=0.9

a)

More than 6

0.3766

b)

At least 6

0.5459

c)

Exactly 6

0.1693

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