A bag contains 6 white and 4 black balls.2balls are drawn at random. Find theprobability that they are of same colour.

10 balls=6(white)+4(black) nCr=n!/(r!(n-r)!) r!=r(r-1)×..3×2×1

Answered: A bag contains 6 white and 4 black…

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 bag contains 6 white and 4 black balls.2 balls are drawn at random. Find the probability that they are of same colour.