document.write( "Question 1137610: A person randomly selects one of four envelopes. Each envelope contains a check that the person gets to keep. However, before the person can select an envelope, he or she must pay $15 to play. Determine the person's expectation if the checks in the envelopes are for $0, $3, $7, and $22. \n" ); document.write( "

Algebra.Com's Answer #755505 by ikleyn(52835) $\"\"$ $\"About$

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document.write( "Mathematical expectation is to get   =  = 8 dollars from the envelopes.\r\n" );
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document.write( "Statistically, it is loosing game.\r\n" );
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