fermin1487 fermin1487

06-06-2023
Mathematics

contestada

a) A population of size 200 has a mean of 112 and a standard deviation of 40 . If Xˉ is the mean of a random sample of size 50 , i. find the mean of the sampling distribution of Xˉ. (1 mark) ii. is the population finite? Justify your answer. iii. find the standard deviation of the sampling distribution of Xˉ.

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