A bag contains 6 red balls and 7 green balls. You plan to select 4 balls at random. Determine the pr
Publish date: 2024-05-02

Assuming draw without replacement of the balls, we have:
P(GGGG) = 7/13 * 6/12 * 5/11 * 4/10
P(GGGG) = 840/17,160
P(GGGG) = 0.05
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