1. A population has a mean of 128 and a standard deviation of 22. a. Find the...

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1. A population has a mean of 128 and a standard deviation of 22. a. Find the mean and standard deviation of x for samples of size 36. b. Find the probability that the mean of a sample of size 36 will be within 10 units of the population mean, that is, between 118 and 138. 2. A population has a mean of 73.5 and a standard deviation of 2.5. a. Find the mean and standard deviation of x for samples of size 30. b. Find the probability that the mean of a sample of size 30 will be less than 72

Posted Date: Jun 22, 2024 06:06 AM

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1. A population has a mean of 128 and a standard deviation of 22. a. Find the...

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