A bin has 150 apples, 3 of which are rotten. Apples are removed one-by-one from the bin and not replaced. (a) Find the probability that on draw 4 an apple which is not rotten is removed from the bin. (b) Find the probability that 2 rotten apples are removed on draws 1,2,...,99 and that the 3rd rotten apple is removed on draw 100.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A bin has 150 apples, 3 of which are rotten. Apples are removed one-by-one from the bin and not replaced.

(a) Find the probability that on draw 4 an apple which is not rotten is removed from the bin.

(b) Find the probability that 2 rotten apples are removed on draws 1,2,...,99 and that the 3rd rotten apple is removed on draw 100.

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