What Is the Expected Number of Phone Calls Per Hour

question 2

Essay

What is the expected number of phone calls per hour based on the following distribution on the number of phone calls per hour?
$\begin{array}{lllll}&\text {A}&\text {B}&\text {C}&\text {D}\\&\text {\# of phone calls } & \text { P\# of phone calls)}&\text { \# of phone calls}&\text { P\# of phone calls) }\\1\\\hline2 & 1 & 0.10 & 1 & 0.10 \\3 & 2 & 0.40 & 2 & 0.50 \\4 & 3 & 0.30 & 3 & 0.80 \\5 & 4 & 0.15 & 4 & 0.95 \\6 & 5 & 0.05 & 5 & 1.00\end{array}$

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Definitions:

Increase Helping Behavior

Strategies or actions taken to enhance the willingness or frequency of people aiding others in need.

Influence Thinking

The act of affecting or altering someone's thought processes, decision-making, or beliefs through various means.

Promote Communication

To encourage or facilitate the exchange of information or ideas between people.

Emodiversity

Degree to which a person experiences the variety and relative abundance of human emotions.