Consider the following two normal curves. (a) Do these distributions have the same mean? If so, what

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Consider the following two normal curves.

A 28 30 32 34 36 38 40 42 44

(a) Do these distributions have the same mean? If so, what is the mean? 

(b) One of these curves corresponds to a normal distribution with a standard deviation of 1. The other curve corresponds to a normal distribution with a standard deviation of 3. Which curve, A or B, has a standard deviation of 3?

Distribution
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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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