A batch of 100 cellphones manufactured by a certain plant has 10 that are defective. Two cellphones are selected randomly without replacement from the batch. (Round off answers to 4 decimal places.) a. What is the probability that the second one is defective given that the first one was defective? b. What will be the answer for question a if the first cellphone selected is replaced to the batch before the second sel

A batch of 100 cellphones manufactured by a certain plant has 10 that are defective. Two cellphones are selected randomly without replacement from the batch. (Round off answers to 4 decimal places.) a. What is the probability that the second one is defective given that the first one was defective? b. What will be the answer for question a if the first cellphone selected is replaced to the batch before the second sel

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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