CUET Preparation Today
A telephone exchange receives on an average 5 calls per minute. The probability of receiving 3 or less calls per minute is: |
$15 e^{-5}$ $\frac{118}{3} e^{-5}$ $\frac{15}{4} e^{-5}$ $\frac{13}{3} e^{-4}$ |
$\frac{118}{3} e^{-5}$ |
The correct answer is Option (2) - $\frac{118}{3} e^{-5}$ |
