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Old 2005 June 12th, 09:40 AM   #13 (permalink)
dsaqwert
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Join Date: Mar 2005
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Re: one probability question

Quote:
Originally Posted by brindha_arun
On any day in April in a certain city, the probability of rain is 50%. What is the probability of that it rains exactly 5 days during a 7 day period in April?
7c5/2^7
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