A die is tossed 5 times. Getting an odd number is considered a success. Then, the variance of distribution of success.
Answer & explanation
Correct answer: option 4
We have, $n = 5 , p=\frac{1}{2}$
∴ Variance $=npq = 5 × \frac{1}{2}×\frac{1}{2}=\frac{5}{4}$