Question
Annual household incomes in a certain region have a distribution that is skewed right, with mean
30.25 thousand dollars and a standard deviation of 4.50 thousand dollars. If a random sample of 100
households is taken, then the probability that the sample mean ¯
x will be within one thousand dollars
of the true population mean is about
30.25 thousand dollars and a standard deviation of 4.50 thousand dollars. If a random sample of 100
households is taken, then the probability that the sample mean ¯
x will be within one thousand dollars
of the true population mean is about
Answers
Dennix
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