SOLUTION: Stuff i cud not solve: 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? 2)Amit�s chance of wi

Question 464289: Stuff i cud not solve:
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?
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?
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?
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?
Help with any question is greatly appreciated. Thanks for trying :)
[Plz give some explanation as to how to solve also]
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
(4C4 * 13)/52C4 = 1/20825
.
Ed
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