document.write( "Question 448998: There are 6 playing cards placed face down. the 4 of diamond , the 5 of hearts, the 2 of clubs, the 10 of spades, the 7 of hearts and the 3 diamonds. A person selects a card , find the expected value of ther dra. \n" ); document.write( "
Algebra.Com's Answer #308947 by stanbon(75887) ![]() You can put this solution on YOUR website! There are 6 playing cards placed face down. \n" ); document.write( "the 4 of diamond , \n" ); document.write( "the 5 of hearts, \n" ); document.write( "the 2 of clubs, \n" ); document.write( "the 10 of spades, \n" ); document.write( "the 7 of hearts and \n" ); document.write( "the 3 diamonds. \n" ); document.write( "A person selects a card , find the expected value of their draw. \n" ); document.write( "----- \n" ); document.write( "The probability of drawing each card is (1/6) \n" ); document.write( "-- \n" ); document.write( "Multiply the \"value\" of each card by its probability. \n" ); document.write( "-- \n" ); document.write( "Add the 6 products to get the expected value. \n" ); document.write( "--------- \n" ); document.write( "E(x) = (1/6)(4+5+2+10+7+3) = 31/6 = 5.167 \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |