RD Sharma - Mathematics (Volume 2)

Book: RD Sharma - Mathematics (Volume 2)

Chapter: 33. Binomial Distribution

Subject: Maths - Class 12th

Q. No. 4 of Very Short Answer

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4

If the mean of a binomial distribution is 20 and its standard deviation is 4, find p.

Given:


Mean=20


Standard deviation=np(1-p)


=4


P=?


20(1-p)=4




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