Flashlight bulbs manufactured by a certain company are sometimes defective. a. If 5% of all such bulbs

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Flashlight bulbs manufactured by a certain company are sometimes defective.

a. If 5% of all such bulbs are defective, could the techniques of this section be used to approximate the probability that at least five of the bulbs in a random sample of size 50 are defective?

If so, calculate this probability; if not, explain why not.

b. Reconsider the question posed in Part (a) for the probability that at least 20 bulbs in a random sample of size 500 are defective.

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Related Book For  book-img-for-question

Introduction To Statistics And Data Analysis

ISBN: 9781337793612

6th Edition

Authors: Roxy Peck, Chris Olsen, Tom Short

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