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In a neighborhood, the mean home price is $285K and the standard deviation is $15K. a.)...

In a neighborhood, the mean home price is $285K and the standard deviation is $15K.
a.) What is the probability that a home selected at random is valued between $260K and $280K?
b.) What is the probability that 7 homes selected at random will have an averaged value between $260K and $280K?
c.) What is the probability that a home selected at random is valued below $253K?
d.) What is the probability that a home selected at random is valued above $300K?
e.) If there are 800 homes in the neighborhood, approximately how many will be above $310K?
Math   Statistics-And-Probability   
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