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For random samples of size n = 16 selected from a normal distribution with a mean...

For random samples of size n = 16 selected from a

normal distribution with a mean of 75 and a standard

deviation of 20, find each of the following:

a. The range of sample means that defines the middle

95% of the distribution of sample means

b. The range of sample means that defines the middle

99% of the distribution of sample means

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