Answered: A box contains 20 DVDs, 4 of which are…

A box contains 20 DVDs, 4 of which are defective. If two DVDs are selected at random (without replacement) from this box. What is the probability that both are defective?

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 box contains 20 DVDs, 4 of which are defective. If two DVDs are selected at
random (without replacement) from this box. What is the probability that both are
defective?

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