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12.1: Sampling, Frequency Distributions, and Graphs - Quiz

Dear Professor Smith Kevin,


I'm hoping you are able to assist with my 5 question study sheet attached.


I would love to post 2 others after for a fair price.


Best regards,



Help with this math/ cryptography questions



Dottie's 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 10 percent of the returns she prepared last year. Assuming this rate continues into this year and she prepares 53 returns. What is the probability that she makes errors on: A. More than 5 returns? B. At least 5 returns? C. Exactly 5 returns?

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