document.write( "Question 91195: A bag contains 52 tickets numbered 1,2...52 of which 5 are drawn at random and arranged in ascending order t1>t2>t3>t4>t5.find the probability that t4 being 42. \n" ); document.write( "
Algebra.Com's Answer #66188 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
A bag contains 52 tickets numbered 1,2...52 of which 5 are drawn at random and arranged in ascending order t1>t2>t3>t4>t5.find the probability that t4 being 42.
\n" ); document.write( "----------
\n" ); document.write( "To get the 42 on the 4th card you have to NOT get the 42 on the 1st, the
\n" ); document.write( "2nd, or the 3rd card. Once you get the 42 on the 4th card the next card
\n" ); document.write( "can be any of the remaining cards.
\n" ); document.write( "Prob(no 42 on 1st draw)= 51/52
\n" ); document.write( "Prob(no 42 on 2nd draw) = 50/51
\n" ); document.write( "Prob(no 42 on 3rd draw) = 49/50
\n" ); document.write( "Prob(42 on the 4th draw) = 1/49
\n" ); document.write( "Prob(any card on the 5th draw) = 48/48\r
\n" ); document.write( "\n" ); document.write( "-----------------
\n" ); document.write( "P(42 on 4th draw) = (51/52)(50/51)(49/50)(1/49)(48/48)
\n" ); document.write( "= (1/52)(1/49)
\n" ); document.write( "= 1/2548\r
\n" ); document.write( "\n" ); document.write( "==========
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
\n" );