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On each of the first three days of January, there is a 1/2 chance that it will snow where Bob lives. On each of the next four days, there is a 1/3 chance that it will snow. What is the probability that it snows at least once during the first week of January?

 Jun 21, 2021
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This question has already been answered here, https://web2.0calc.com/questions/probability_71218.

 Jun 21, 2021

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