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The distribution of the number of occurrences of the letter "a" on the pages of...

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Algebra

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The distribution of the number of occurrences of the letter "a" on the pages of a book is found to be a normal distribution with a mean of 60 and a standard deviation of 15. If there are 600 pages in the book, what percentage of the time is "a" found 45 times or more on a page? Select one:a. 34% of the timeb. 84% of the timec. 50% of the timed. 68% of the time

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