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October 20, 2014

October 20, 2014

Posted by **joey** on Friday, October 31, 2008 at 6:43pm.

a) flipping a coin 3 times and obtaining at least 2 heads

b) flipping a coin 4 times and obtaining at least 2 heads

Justify your answer

- math -
**drwls**, Friday, October 31, 2008 at 10:39pmThis does not require much thought. The ptobability of getting a certain number of heads (or more) increases with the number of tries.

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