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please solve this within 20 minutes a) A population of size 200 has a mean of 1 12 and a standard deviation of 40. If

please solve this within 20 minutes

a) A population of size 200 has a mean of 1 12 and a standard deviation of 40. If X is the mean of a random sample of size 50, i. find the mean of the sampling distribution of X. (1 mark) 1i. is the population finite? Justify your answer. (3 marks) ili. find the standard deviation of the sampling distribution of X. (2 marks)

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