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OpenStudy (anonymous):
a bowl contains 40 balls numbered 1 through 40. if the numbers 1 through 10 are considered lucky and 2 balls are drawn from the bowl without replacement,find the probability that niether ball is lucky
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OpenStudy (anonymous):
What are the odds that the first ball is not lucky?
OpenStudy (anonymous):
Probability of the first ball being unlucky = 30/40 = 3/4 Probability of the second ball being unlucky = 29/39 Probability of both = (Probability of first) * (Probability of the second)
OpenStudy (anonymous):
0.557692308
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