In a certain book, the frequency distribution for the number of words per page may be taken as approximately normal with mean 800 and standard deviation 50. If 3 pages are chosen at random, what is...


In a certain book, the frequency distribution for the number of words per page may be<br>taken as approximately normal with mean 800 and standard deviation 50. If 3 pages are chosen at random,<br>what is the probability that none of them has between 830 and 845 words each?<br>

Extracted text: In a certain book, the frequency distribution for the number of words per page may be taken as approximately normal with mean 800 and standard deviation 50. If 3 pages are chosen at random, what is the probability that none of them has between 830 and 845 words each?

Jun 11, 2022
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