document.write( "Question 581358: When you buy a ticket there is a .0995 probability that someone will not show up for a flight. An agent for an airline wants to know what the probability is that there will not be enough seats on the plane if he sells 24 tickets for a flight but has only 22 seats. Based on the results, should the agent be concerned? \n" ); document.write( "
Algebra.Com's Answer #371592 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! When you buy a ticket there is a .0995 probability that someone will not show up for a flight. An agent for an airline wants to know what the probability is that there will not be enough seats on the plane if he sells 24 tickets for a flight but has only 22 seats. Based on the results, should the agent be concerned? \n" ); document.write( "------- \n" ); document.write( "P(more than 22 people show up) = P(x = 23) + P(x = 24) \n" ); document.write( "---- \n" ); document.write( "= 24C23(0.9005)^23*(0.0995) + 0.9005^24 \n" ); document.write( "---- \n" ); document.write( "= 0.2144 + 0.0808 \n" ); document.write( "------ \n" ); document.write( "= 0.2952 \n" ); document.write( "=========================== \n" ); document.write( "Yes, he should be concerned. \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |