The probability distribution of a random variable X is given by
The value of k is: |
0 0.1 1 $\frac{3}{20}$ |
$\frac{3}{20}$ |
The correct answer is Option (4) → $\frac{3}{20}$ Since the sum of all probability be 1. $0.1+k+2k+2k+k=1$ $6k=0.9$ $k=\frac{9}{60}=\frac{3}{20}$ |