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July 29, 2014

July 29, 2014

Posted by **unknown.gonegirl** on Sunday, February 10, 2013 at 10:45pm.

how does the probability of getting two greens change if you are not replacing??

if you have 8 marbles in the bag (5 blue and 3 green) and you draw 2 without replacement, what is the theoretical probability that both marbles will be green

if you have 8 marbles in the bag (5 blue and 3 green) and you draw 2 with replacement, what is the theoretical probability that both marbles will be green

- math 7 -
**unknown.gonegirl**, Sunday, February 10, 2013 at 10:55pmidk

11% without

39% with

- math 7 -
**Reiny**, Sunday, February 10, 2013 at 11:03pmwith replacement:

prob(2 green) = (3/8)(3/8) = 9/64

without replacement

prob(2 green) = (3/8)(2/7) = 6/56 = 3/28

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