9. A lot consists of 25 batteries, for which 5 of them are defective. Three batteries arerandomly selected from the lot. Let X be a number of defective batteries selected. What isthe p.d.f. of X if(a) the batteries are selected with replacement,(b) the batteries are selected without replacement.

Given: A lot consists of 25 batteries 5 of them are defectives 3 batteries are randomly selected…

Answered: 9. A lot consists of 25 batteries, for…

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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9. A lot consists of 25 batteries, for which 5 of them are defective. Three batteries are randomly selected from the lot. Let X be a number of defective batteries selected. What is the p.d.f. of X if (a) the batteries are selected with replacement,