SOLUTION: determine the cumulative distribution function of a binomial random variable with n=3 and p=1/4

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Question 422984: determine the cumulative distribution function of a binomial random variable with n=3 and p=1/4
Answer by solver91311(24713) About Me  (Show Source):
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Where is the number of combinations of things taken at a time and is calculated by

Just substitute the given values:




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