document.write( "Question 395811: The Meteorological Department of Florida has determined that there is a 30% chance that Miami will receive 10 inches of rain in 2010, a 50% chance that it will receive 7 inches of rain and a 20% chance that total rainfall will only be 3 inches. What is the expected average rainfall that Miami is expected to receive in 2010? \n" ); document.write( "

Algebra.Com's Answer #280882 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Weighted Averages:
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document.write( " (30*10in + 50*7in + 20*3in) /100 = 710in/100 = 7.1 in
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document.write( " 7.1 is the average rainfall expected for the year 2010 \n" );
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