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Question 793:

For the total population of a large southern city, mean family income is $34000, with a standard deviation (for the population) of $5000.

a. imagine that you are taking a subsample of 200 city residents.. What is the probability that your sample men is between $33000 and $34000?
b. For this same sample size, what is the probability that the sample mean exceeds $37000?

If you need help with the concepts covered in this question (like z-scores and the normal-curve) you can download a visual and easy to understand Crash Course in Z-scores and an Excel Calculator which will do everything you need to do with z-scores.

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