Mathematics, 26.06.2020 17:01 rachel2005smith
A box contains 5 white and 7 black balls. Two successive drawn of 3 balls are made
with replacement (ii) without replacement. The probability that the first draw woul
produce white balls and the second draw would produce black balls are respectively
(a) 6/321 and 3/926
(b) 1/20 and 1/30
(c) 35/144 and 35/10
(d) 7/968 and 5/264
Answers: 3
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A box contains 5 white and 7 black balls. Two successive drawn of 3 balls are made
with replacement...
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