What is the probability that 3 or more phone calls are received in any hour of operation?
$\begin{array}{ccccc}
& \mathrm{~A} & \mathrm{~B} & \mathrm{C} & \mathrm{D} \
1 & \text { \# of phone calls } & \mathrm{P}(\# \text { of phone calls) } & \text { \# of phone calls } & \mathrm{P}(\# \text { of phone calls) } \
2 & 1 & 0.10 & 1 & 0.10 \
2&2& 0.40 & 2 & 0.50 \
4 & 3 & 0.30 & 3 & 0.80 \
5 & 4 & 0.15 & 4 & 0.95 \
6&5 & 0.05 & 5 & 1.00
\end{array}$

Question

What is the probability that 3 or more phone calls are received in any hour of operation?
 $\begin{array}{ccccc}
 & \mathrm{~A} & \mathrm{~B} & \mathrm{C} & \mathrm{D} \
1 & \text { \# of phone calls } & \mathrm{P}(\# \text { of phone calls) } & \text { \# of phone calls } & \mathrm{P}(\# \text { of phone calls) } \
2 & 1 & 0.10 & 1 & 0.10 \
2&2& 0.40 & 2 & 0.50 \
4 & 3 & 0.30 & 3 & 0.80 \
5 & 4 & 0.15 & 4 & 0.95 \
6&5 & 0.05 & 5 & 1.00
\end{array}$

Quizplus · Accepted Answer

The Answer of What is the probability that 3 or more phone calls are received in any hour of operation?
 $\begin{array}{ccccc}
 & \mathrm{~A} & \mathrm{~B} & \mathrm{C} & \mathrm{D} \
1 & \text { \# of phone calls } & \mathrm{P}(\# \text { of phone calls) } & \text { \# of phone calls } & \mathrm{P}(\# \text { of phone calls) } \
2 & 1 & 0.10 & 1 & 0.10 \
2&2& 0.40 & 2 & 0.50 \
4 & 3 & 0.30 & 3 & 0.80 \
5 & 4 & 0.15 & 4 & 0.95 \
6&5 & 0.05 & 5 & 1.00
\end{array}$

What Is the Probability That 3 or More Phone Calls