Mat120

Abox contains 9 red balls and 6 black ball. Two balls are drawn without replacement. Find the probability that:

a).The first ball is red and second in black.

b).Both are red.

c).One is red.

Abox contains 9 red balls and 6 black ball. Two balls are drawn without replacement. Find the probability that:

a).The first ball is red and second in black.

b).Both are red.

c).One is red.

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