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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
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 11% 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:
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a) More than 6 returns? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)
b) At least 6returns? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)
c)Exactly 6 returns? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)
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