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# An electrical rm manufactures a 100-watt light bulb, ISBN: 9780321629111 32

## Solution for problem 4.75 Chapter 4

Probability and Statistics for Engineers and the Scientists | 9th Edition

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Problem 4.75

An electrical rm manufactures a 100-watt light bulb, which, according to specications written on the package, has a mean life of 900 hours with a standard deviation of 50 hours. At most, what percentage of the bulbs fail to last even 700 hours? Assume that the distribution is symmetric about the mean.

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##### ISBN: 9780321629111

Since the solution to 4.75 from 4 chapter was answered, more than 213 students have viewed the full step-by-step answer. Probability and Statistics for Engineers and the Scientists was written by and is associated to the ISBN: 9780321629111. This full solution covers the following key subjects: . This expansive textbook survival guide covers 18 chapters, and 1582 solutions. The full step-by-step solution to problem: 4.75 from chapter: 4 was answered by , our top Statistics solution expert on 05/06/17, 06:21PM. This textbook survival guide was created for the textbook: Probability and Statistics for Engineers and the Scientists, edition: 9. The answer to “An electrical rm manufactures a 100-watt light bulb, which, according to specications written on the package, has a mean life of 900 hours with a standard deviation of 50 hours. At most, what percentage of the bulbs fail to last even 700 hours? Assume that the distribution is symmetric about the mean.” is broken down into a number of easy to follow steps, and 52 words.

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