document.write( "Question 464289: Stuff i cud not solve:\r
\n" ); document.write( "\n" ); document.write( "1)Four cards are drawn from a pack of 52 playing cards. What is the probability of getting all the four cards of the same number?\r
\n" ); document.write( "\n" ); document.write( "2)Amit’s chance of winning a single match of tennis against Mohit is 3/4. What is the chance that in a series of five matches with Mohit, Amit wins exactly 3 matches?\r
\n" ); document.write( "\n" ); document.write( "3)Two persons roll a pair of dice alternately till one gets a total of 9 and wins the game. If A is the first person to throw, what is the probability that A wins the game?\r
\n" ); document.write( "\n" ); document.write( "4)The probabilities of the three doctors A, B and C getting success in an operation are 0.5, 0.2 and 0.3 respectively. What is the probability that the operation is not successful?\r
\n" ); document.write( "\n" ); document.write( "Help with any question is greatly appreciated. Thanks for trying :)
\n" ); document.write( "[Plz give some explanation as to how to solve also]
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Algebra.Com's Answer #318059 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
(4C4 * 13)/52C4 = 1/20825
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