What is the probability of your sample mean

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Reference no: EM131702951

The mean family income inWisconsin, according to the 2011 data is about $77, 531. With a standard deviation (for the population) of approximately $59,750.

A) Imagine that you are taking a subsample of 200 state residents. What is the probability of your sample mean is between $71,000 and $77,531?

B) For this sample size, what is the probability that the sample mean exceeds $85,000?

Reference no: EM131702951

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