NCERT Solutions for Class 12 Maths Chapter 2 Inverse Trigonometric Functions Ex 2.1

Ncert Solutions For Class 12 Maths Chapter 2 Ex 2.1

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A random variable X has the following probability distribution

\begin{matrix} X & P (X = x) & X & P (X = x) 0 & λ & 5 & 11 λ 1 & 3 λ & 6 & 13 λ 2 & 5 λ & 7 & 15 λ 3 & 7 λ & 8 & 17 λ 4 & 9 λ \end{matrix}

then,

λ

is equal to

\frac{1}{81}

\frac{2}{81}

\frac{5}{81}

\frac{7}{81}