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3 years ago

7

A bag contains six real diamonds and five fake diamonds. If six diamonds are picked from the bag at random what is the probabili

ty that at most four of them are real?

1 answer:

NARA [144]3 years ago

5 0

Answer:

((6 choose 4) * (5 choose 2) + (6 choose 5) * (5 choose 1) + (6 choose 6) * (5 choose 0)) / (11 choose 6) = 181/462 = 0.3918

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