Question about Computers & Internet
The chance of the first pick having gotten an A is 5 out of 20. The chance of the second pick having gotten an A, assuming the first pick also got an A, is 4 out of 19. The chance of the third pick having gotten an A, assuming the first two also got As, is 3 out of 18. Multiply the three together to get the chances of all three picks having gotten As.
Posted on Aug 01, 2013
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Posted on Jan 02, 2017
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