The Number of Customers in a Line at a Supermarket

Multiple Choice

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

$\begin{array} { c | c | c | c | c | c | c } \boldsymbol { x } & 0 & 1 & 2 & 3 & 4 & 5 \\\hline \boldsymbol { P } ( \boldsymbol { x } ) & 0.08 & 0.26 & 0.32 & 0.16 & 0.11 & 0.07\end{array}$

Find the probability that there are fewer than four people in line.

A) 0.18
B) 0.82
C) 0.11
D) 0.93