The weight of navel oranges of a domestic farm is normallydistributed with a mean of 8.0oz and a standard deviation of 1.5oz.Suppose that you bought 10 oranges randomly sampled.
a) what are the mean of the sampling distribution and thestandard error of the mean?
b) what is the probability that the sample mean is between 8.5and 10.0 oz?
c) The probability is 90% that the sample mean will be betweenwhat two values symmetrically distributed around the populationmean?
