Monday
March 30, 2015

Homework Help: Statistical Methods

Posted by Mete on Tuesday, March 11, 2008 at 11:31pm.

Calculate the probability that 3 or fewer rainy days occur during the next 15 days. The probability any day is rainy is .2.

For this question I tried using binomial distribution by setting x = 0, 1, 2, 3. p=.2 and n =15. After doing all of them, Do add the probabilities to get the answer?

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