RD Sharma - Mathematics (Volume 2)

Book: RD Sharma - Mathematics (Volume 2)

Chapter: 33. Binomial Distribution

Subject: Maths - Class 12th

Q. No. 21 of MCQ

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21

Mark the correct alternative in the following:

In a binomial distribution, the probability of getting success is 1/4 and standard deviation is 3. Then, its means is


Given:


P(x=1)=1/4=p


q=3/4


Standard deviation =3


Mean=?


= 3




mean = np


= 12

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