Mathematics, 29.12.2020 07:30 SkyDoki
6. A ball is selected at random from a bag containing
3 red balls, 4 black balls and 5 green balls. The
first ball is replaced and a second is selected. Find
the probability of obtaining:
(a) two red balls,
(b) two green balls.
Answers: 2
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6. A ball is selected at random from a bag containing
3 red balls, 4 black balls and 5 green balls....
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