Assume that z scores are normally distributed with a mean of 0and a standard dev

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Assume that z scores are normally distributed with a mean of 0and a standard deviation of 1. a. If P(0<z<a)= 0.3907, find a b. If P(-b<z<b)= .8664, find b I understand the use of excel to find the z score, but I can'tfigure out how to find the other values. Textbook : Elementary Statistics / Mario Triola 3rd edition Chapter 6 unit 1-2 Assume that z scores are normally distributed with a mean of 0and a standard deviation of 1. a. If P(0<z<a)= 0.3907, find a b. If P(-b<z<b)= .8664, find b I understand the use of excel to find the z score, but I can'tfigure out how to find the other values. Textbook : Elementary Statistics / Mario Triola 3rd edition Chapter 6 unit 1-2

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(a)P(0

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