A bag contains 5 white, 7 red and 8 black balls. If four balls are drawn one by one without replacement, what is the probability that all are white [AISSE 1987]

A bag contains 5 white, 7 red and 8 black balls. If four balls are dra

1.	A bag contains 5 white, 7 red and 8 black balls. If four balls are drawn one by one without replacement, what is the probability that all are white [AISSE 1987]
A.	\[\frac{1}{969}\]
B.	\[\frac{1}{380}\]
C.	\[\frac{5}{20}\]
D.	None of these
Answer» B. \[\frac{1}{380}\]

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A bag contains 5 white, 7 red and 8 black balls. If four balls are drawn one by one without replacement, what is the probability that all are white [AISSE 1987]

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