Question: From a population with mean 200 and standard deviation 12, find the probability of a. A value of 195 or less. b. A sample of

From a population with mean 200 and standard deviation 12, find the probability of
a. A value of 195 or less.
b. A sample of size n = 4 with mean 195 or less.
c. A sample of size n = 9 with mean 195 or less.
d. A sample of size n = 36 with mean 195 or less.

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