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In a box containing 15 bulbs, 5 are defective. If 5 bulls are selected at random from the box find the probability of the event, that (i) none of them is defective (ii) only one of them is defective (iii) atleast one of them is defective.

In a box containing 15 bulbs, 5 are defective. If 5 bulls are selected at random from the box find the probability of the event, that (i) none of them is defective (ii) only one of them is defective (iii) atleast one of them is defective.

A First Course in Probability (10th Edition)
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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Question 8 In a box containing 15 bulbs, 5 are defective. If 5 bulls are selected at random from the box find the probability of the event, that (i) none of them is defective (ii) only one of them is defective (iii) atleast one of them is defective.
Transcribed Image Text:Question 8 In a box containing 15 bulbs, 5 are defective. If 5 bulls are selected at random from the box find the probability of the event, that (i) none of them is defective (ii) only one of them is defective (iii) atleast one of them is defective.
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