An engineer had 12 red washers and 16 blue washers in his tools box. He required 6 washers to fix a repairs on request, if he selects the washers at random what is the probability that it will contain 3 red and 3 blue washers?

An engineer had 12 red washers and 16 blue washers in his tools box. He required 6 washers to fix a repairs on request, if he selects the washers at random what is the probability that it will contain 3 red and 3 blue washers?

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

c) An engineer had 12 red washers and 16 blue washers in his tools box. He required 6 washers
to fix a repairs on request, if he selects the washers at random what is the probability that it will
contain 3 red and 3 blue washers?

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