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Mathematics 8 Online
OpenStudy (anonymous):

HELP,:(....A prize of $100, $200, $500, or $1000 will be randomly awarded to a game show contestant, with the probabilities of winning each prize shown in the table below. What is the expected value of the prize that will be awarded? Prize $100 2/5 $200 1/5 $500 1/5 $1000 1/5 A. $460 B. $400 C. $380 D. $560

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