Random value with the pmf
Let Y be a random value with the pmf in the table
Y = 3, 4, 5
P(Y) = .03, .04, alpha
1) compute alpha
2) what is the probability P(Y<= 4.2)
3) compute e(Y)
4) compute standard dev of Y
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Find out the mean of the sampling distribution of the sample mean. Find out the standard deviation of the sampling distribution of the sampling mean
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