document.write( "Question 129354This question is from textbook fundamentals of maths
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document.write( ": my mom is trying to help me with this problem, but we are not good at it. Can you continue to help us please? Here we go.
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document.write( "One thousand raffle tickets are sold for a firs prize $300. A second prize of $150. And a third prize of $50.00 dollars.What is a fair price to pay foe a raffle ticket? if Mary brought a raffle ticket for $1.00 dollar. What can you conclude about the cost of entering this raffle?. my mom says that i must do it this way.
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document.write( "1000 times $300.00 followed by $150.00 and so on. i know this is not right. Can you help us please? \n" );
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Algebra.Com's Answer #94628 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! One thousand raffle tickets are sold for a first prize $300. \n" ); document.write( "A second prize of $150. \n" ); document.write( "And a third prize of $50.00 dollars. \n" ); document.write( " \n" ); document.write( "--------------- \n" ); document.write( "Let your random variable be \"x = gain\" \n" ); document.write( "Values of the random variable are: \n" ); document.write( "300...................150................50.............-1....... \n" ); document.write( "Corresponding probabilities are: \n" ); document.write( "1/1000................1/1000.............1/1000.........999/1000\r \n" ); document.write( "\n" ); document.write( "Expected \"gain\" value = (1/1000)(300+150+50)-(999/1000) = -499/1000= -49.9 cents \n" ); document.write( "------------------------- \n" ); document.write( "What is a fair price to pay for a raffle ticket? \n" ); document.write( "About 50 cents \n" ); document.write( "---------------- \n" ); document.write( "if Mary brought a raffle ticket for $1.00 dollar. \n" ); document.write( "What can you conclude about the cost of entering this raffle?. \n" ); document.write( "50 cents covers the cost of the prises; the rest benefits the orgainizer. \n" ); document.write( "Mary can expect to lose 50 cents and every dollar she spends. \n" ); document.write( "-------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |