The number of customers in a line at a supermarket express checkout counter is a random variable with the following probability distribution.

$\begin{array} { c | c | c | c | c | c | c }
\boldsymbol { x } & 0 & 1 & 2 & 3 & 4 & 5 \
\hline \boldsymbol { P } ( \boldsymbol { x } ) & 0.09 & 0.26 & 0.29 & 0.20 & 0.09 & 0.07
\end{array}$

Find P(2 or fewer).

A) 0.65
B) 0.29
C) 0.35
D) 0.64

Question

The number of customers in a line at a supermarket express checkout counter is a random variable with the following probability distribution.

$\begin{array} { c | c | c | c | c | c | c } 
\boldsymbol { x } & 0 & 1 & 2 & 3 & 4 & 5 \
\hline \boldsymbol { P } ( \boldsymbol { x } ) & 0.09 & 0.26 & 0.29 & 0.20 & 0.09 & 0.07
\end{array}$

Find P(2 or fewer).

A) 0.65
B) 0.29
C) 0.35
D) 0.64

Quizplus · Accepted Answer

The Answer is D

The Number of Customers in a Line at a Supermarket