Students in a class take a quiz with eight questions. the number x of questions answered correctly

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Students in a class take a quiz with eight questions. the number x of questions answered correctly can be approximated by the following probability distribution. x 0 1 2 3 4 5 6 7 8

P(x) 0.03 0.02 0.05 0.08 0.11 0.22 0.3 0.14 0.05

a) Use the probability distribution to find the mean of the probability distribution

b) Use the probability distribution to find the variance of the probability distribution

c) Use the probability distribution to find the standard deviation of the probability distribution

d) Use the probability distribution to find the expected value of the probability distribution

Related Book For answer-question

Mechanics of Materials

ISBN: 978-0134319650

10th edition

Authors: Russell C. Hibbeler

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Posted Date: Feb 26, 2019 01:28 AM

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Students in a class take a quiz with eight questions. the number x of questions answered correctly

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Mechanics of Materials

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