RD Sharma - Mathematics (Volume 2)

Book: RD Sharma - Mathematics (Volume 2)

Chapter: 33. Binomial Distribution

Subject: Maths - Class 12th

Q. No. 16 of Exercise 33.2

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16

If a random variable X follows a binomial distribution with mean 3 and variance 3/2, find P(X ≤ 5).

Let parameters for binomial distribution be n, p








Now, np = 3



n = 6



The required binomial distribution is given by,



Now, P(X≤5) = 1 - P(X = 6)







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