The accompanying table gives the outcomes and probability distribution of the number of
times a student checks her e-mail daily: $$\begin{array}{l}
\text { Probability of Checking E-Mail }\
\begin{array} { | l | l | l | l | l | l | l | l | }
\hline \begin{array} { l }
\text { Outcome } \
\text { (number of e- } \
\text { mail checks) }
\end{array} & 0 & 1 & 2 & 3 & 4 & 5 & 6 \
\hline \begin{array} { l }
\text { Probability } \
\text { distribution }
\end{array} & 0.05 & 0.15 & 0.30 & 0.25 & 0.15 & 0.08 & 0.02 \
\hline
\end{array}
\end{array}$$ Sketch the probability distribution.Next, calculate the c.d.f.for the above table.What is
the probability of her checking her e-mail between 1 and 3 times a day? Of checking it
more than 3 times a day?

Question

The accompanying table gives the outcomes and probability distribution of the number of
times a student checks her e-mail daily: $$\begin{array}{l}
\text { Probability of Checking E-Mail }\
\begin{array} { | l | l | l | l | l | l | l | l | } 
\hline \begin{array} { l } 
\text { Outcome } \
\text { (number of e- } \
\text { mail checks) }
\end{array} & 0 & 1 & 2 & 3 & 4 & 5 & 6 \
\hline \begin{array} { l } 
\text { Probability } \
\text { distribution }
\end{array} & 0.05 & 0.15 & 0.30 & 0.25 & 0.15 & 0.08 & 0.02 \
\hline
\end{array}
\end{array}$$ Sketch the probability distribution.Next, calculate the c.d.f.for the above table.What is
the probability of her checking her e-mail between 1 and 3 times a day? Of checking it
more than 3 times a day?

Quizplus · Accepted Answer

The Answer of The accompanying table gives the outcomes and probability distribution of the number of
times a student checks her e-mail daily: $$\begin{array}{l}
\text { Probability of Checking E-Mail }\
\begin{array} { | l | l | l | l | l | l | l | l | } 
\hline \begin{array} { l } 
\text { Outcome } \
\text { (number of e- } \
\text { mail checks) }
\end{array} & 0 & 1 & 2 & 3 & 4 & 5 & 6 \
\hline \begin{array} { l } 
\text { Probability } \
\text { distribution }
\end{array} & 0.05 & 0.15 & 0.30 & 0.25 & 0.15 & 0.08 & 0.02 \
\hline
\end{array}
\end{array}$$ Sketch the probability distribution.Next, calculate the c.d.f.for the above table.What is
the probability of her checking her e-mail between 1 and 3 times a day? Of checking it
more than 3 times a day?

The Accompanying Table Gives the Outcomes and Probability Distribution of the Number