Problem 3 An urn contains 30 red balls and 70 green balls. What is the probability of getting exactly k red balls in a sample of size 20 if the sampling is done with replacement (repetition allowed)? Assume 0

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Problem 3
An urn contains 30 red balls and 70 green balls. What is the probability of getting exactly k red balls
in a sample of size 20 if the sampling is done with replacement (repetition allowed)? Assume
0 < k< 20.
Transcribed Image Text:Problem 3 An urn contains 30 red balls and 70 green balls. What is the probability of getting exactly k red balls in a sample of size 20 if the sampling is done with replacement (repetition allowed)? Assume 0 < k< 20.
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