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Homework answers / question archive / Apartment rentals According to www

Apartment rentals According to www.mynewplace.com , in January 2011 the average monthly rental rate for onebedroom apartments in Ann Arbor, Michigan, was $796. (Background information from www.mynewplace.com/ city/ann_arbor_apartments_for_rent_michigan.) Suppose rental rates across all one-bedroom apartments in Ann Arbor follow approximately a normal distribution, with a standard deviation of $150. Using a table, calculator, or software that can provide normal probabilities, find the approximate proportion of one-bedroom apartments for which the rental rate:

a. is at least $1000 a month.

b. is less than $500 a month.

c. is between $500 and $1000 a month.