For numbers 2 to 4: Below is the probability distribution of the number of calls received by a switchboard operator within a one-hour interval, X. X-x 2. 4 PIX = x} 0.13 0.27 0.27 0.18 0.04 0.02 3....

3For numbers 2 to 4: Below is the probability distribution of the number of calls<br>received by a switchboard operator within a one-hour interval, X.<br>X-x<br>2.<br>4<br>PIX = x}<br>0.13<br>0.27<br>0.27<br>0.18<br>0.04<br>0.02<br>3. The expected value of X is<br>O A 0.143<br>O B. 0.281<br>OC 2.030<br>OD 3.000<br>

Extracted text: For numbers 2 to 4: Below is the probability distribution of the number of calls received by a switchboard operator within a one-hour interval, X. X-x 2. 4 PIX = x} 0.13 0.27 0.27 0.18 0.04 0.02 3. The expected value of X is O A 0.143 O B. 0.281 OC 2.030 OD 3.000

Jun 11, 2022
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