document.write( "Question 325234: I would like to see if I could get assistance to show me how to work this problem.\r
\n" );
document.write( "\n" );
document.write( "The probability of winning $20 in a particular lottery is 0.01. What is the probablity that you will get at least one $20 winner if you buy 90 tickets.\r
\n" );
document.write( "\n" );
document.write( "Thanks in advance!\r
\n" );
document.write( "\n" );
document.write( "Jennifer \n" );
document.write( "
Algebra.Com's Answer #232884 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The probability of winning $20 in a particular lottery is 0.01. What is the probablity that you will get at least one $20 winner if you buy 90 tickets. \n" ); document.write( "---- \n" ); document.write( "Binomial Problem with n = 90 and p = 0.01 \n" ); document.write( "---- \n" ); document.write( "P(at least one winner) = 1 - P(no winners) \n" ); document.write( "--- \n" ); document.write( "P(at least one) = 1 - (0.99)^90 = 1- 0.4047 = 0.5953 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |