Practicing Success
Practicing Success
CUET Preparation Today
A die is tossed 5 times. Getting an odd number is considered a success. Then, the variance of distribution of success. |
$\frac{8}{3}$ $\frac{3}{8}$ $\frac{4}{5}$ $\frac{5}{4}$ |
$\frac{5}{4}$ |
We have, $n = 5 , p=\frac{1}{2}$ ∴ Variance $=npq = 5 × \frac{1}{2}×\frac{1}{2}=\frac{5}{4}$ |
