(a). more than 400 pages? (b). between 410 and 450 pages? (c). less than 300 pages?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A New York publishing firm's records over the last 20 yeaạrs show that the average number of pages in
novels it publishes is 354pages with a standard deviation of 42 pages. Assume over that period, it
published 1,321 novels. How many novels have been published with
(a). more than 400 pages?
(b). between 410 and 450 pages?
(c). less than 300 pages?
Transcribed Image Text:A New York publishing firm's records over the last 20 yeaạrs show that the average number of pages in novels it publishes is 354pages with a standard deviation of 42 pages. Assume over that period, it published 1,321 novels. How many novels have been published with (a). more than 400 pages? (b). between 410 and 450 pages? (c). less than 300 pages?
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