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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
40.    Real estate. A real estate broker purchased 3 two- bedroom houses in a depressed market for a combined cost of $71,000. He expects the cleaning and repair costs on each house to average $3700, with a standard deviation of $1450. When he sells them, after subtracting taxes and other closing costs, he expects to realize an average of $39,000 per house, with a standard deviation of $1100.
a)   Define your random variables, and use them to create a random variable for the broker’s net profit.
b)Â Â Â Find the mean (expected value) of the net profit.
c)Â Â Â Find the standard deviation of the net profit.
d)Â Â Â Do you have to assume independence for the repairs and sale prices of the houses? Explain.
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