Probability
2007-08-29 6:47 am
In a certain game, the probability that John will win is 0.3. If he plays the game 3 times, find the probability that he will win at least once.....
回答 (1)
2007-08-29 6:52 am
✔ 最佳答案
the probability that he win at least once= 1- the probability that he win none of the game
= 1- (0.7)(0.7)(0.7) .......because the probability of he to lose a game is (1-0.3 =0.7)
= 0.657
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