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OpenStudy (anonymous):
There are 10 balls, numbered 1-10, in a box. a ball is drawn and replaced. A second is drawn. what is the probability that the first is a 3 and the second is NOT 9?
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OpenStudy (rulnick):
a. P(first is 3) = 1/10 b. P(second is 9) = 1/10 c. P(second is NOT 9) = 1-P(second is 9) Multiply (a) by (c) to get your answer.
OpenStudy (rulnick):
Get it?
OpenStudy (anonymous):
1/10*9/10?
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