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Suppose x has a distribution with a mean of 80 and a standard deviation of 15. Random samples of size n = 36 are

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Suppose x has a distribution with a mean of 80 and a standard deviation of 15. Random samples of size n = 36 are drawn, USE SALT (a) Describe the x distribution and compute the mean and standard deviation of the distribution. has an approximately normal distribution with mean -80 (b) Find the z value corresponding to x = 75. 2 (c) Find P(x

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