Question: answer all questions with explanation Problem 4 - Extra Credit for Undergraduate students: An urn contains 71 purple balls and m yellow balls. They are
answer all questions with explanation

Problem 4 - Extra Credit for Undergraduate students: An urn contains 71 purple balls and m yellow balls. They are withdrawn, one at a time without replacement until 1', r 5 n yellows balls are withdrawn. Part I: Consider the case n = 1 = 1'. What is the probability that it takes 36 withdraws to pick the yellow ball in the urn. Part II: Now let an be arbitrary and r g 11. Find the probability that a total of 16 balls are withdrawn
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