RD Sharma - Mathematics (Volume 2)

Book: RD Sharma - Mathematics (Volume 2)

Chapter: 33. Binomial Distribution

Subject: Maths - Class 12th

Q. No. 3 of Very Short Answer

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3

In a group of 200 items, if the probability of getting a defective item is 0.2, write the mean of the distribution.

Given:


n=200


p=0.2


mean=?


Mean=np


= 200(0.2)


=40


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