# Ncert Solutions For Class 12 Maths Ex 2.1

## Ncert Solutions For Class 12 Maths Chapter 2 Ex 2.1

### Ncert Solutions For Class 12 Maths Ex 2.1 PDF Free Download

#### Practise This Question

A random variable X has the following probability distribution
XP(X=x)XP(X=x)0λ511λ13λ613λ25λ715λ37λ817λ49λ
then, λ is equal to