RD Sharma - Mathematics (Volume 2)

Book: RD Sharma - Mathematics (Volume 2)

Chapter: 33. Binomial Distribution

Subject: Maths - Class 12th

Q. No. 9 of Very Short Answer

Listen NCERT Audio Books to boost your productivity and retention power by 2X.

9

If the mean and variance of a binomial distribution are 4 and 3 respectively, find the probability of no-success.

Given:


Mean=4


Variance=3


P(x=0)=?


P(x=r)= nCr pr qn-r


p(x=0)= 11qn


4(1-p)=3



=q



np=4


n=16



Chapter Exercises

More Exercise Questions