Acme's widgets have a defect rate of 3%. a. Find the probability that 4 widgets are broken

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Acme's widgets have a defect rate of 3%.

a. Find the probability that 4 widgets are broken in a 12-pack? (Round to the nearest ten-thousandth.)

b. What is the probability that more than 2 widgets are broken in a 12-pack? (Round to the nearest ten-thousandth.)

c. Would 3 broken widgets in a 12-pack be significantly high?

d. Find the standard deviation for the number of widgets that are broken in a 12-pack?

Related Book For answer-question

Elementary Statistics Picturing the World

ISBN: 978-0321911216

6th edition

Authors: Ron Larson, Betsy Farber

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Posted Date: Jul 04, 2019 11:56 AM

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Acme's widgets have a defect rate of 3%. a. Find the probability that 4 widgets are broken

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Elementary Statistics Picturing the World

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