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Question 1 (Mandatory) (10 points) The standard deviation of the sample mean is less than the standard deviation of the population. True O. False Question

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Question 1 (Mandatory) (10 points) The standard deviation of the sample mean is less than the standard deviation of the population. True O. False Question 2 (Mandatory) (10 points) Assume the ages of circulating pennis have a mean of 12.2 years and a standard deviation of 9.9 years. What is the probability that a random sample of 40 pennis has a mean less than 10 years? .3085 O.0368 O.9201 O.0799

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