The Overnight Shipping Business Has Skyrocketed in the Last Ten

Multiple Choice

The overnight shipping business has skyrocketed in the last ten years. The single greatest predictor of a companyʹs success is customer service. A study was conducted to determine the customer
Satisfaction levels for one overnight shipping business. In addition to the customerʹs satisfaction
Level, the customers were asked how often they used overnight shipping. The results are shown in
The following table:
$\begin{array} { c | c c c | c } & \ { \text { Satisfaction level } } & \\\text { Frequency of Use } & \text { High } & \text { Medium } & \text { Low } & \text { TOTAL } \\\hline < 2 \text { per month } & 250 & 140 & 10 & 400 \\2 \text { - 5 per month } & 140 & 55 & 5 & 200 \\> 5 \text { per month } & 70 & 25 & 5 & 100 \\\hline \text { TOTAL } & 460 & 220 & 20 & 700\end{array}$
Suppose that one customer who participated in the study is chosen at random. What is the probability that the customer had a low level of satisfaction and used the company two to five times per month?

A) $\frac { 1 } { 140 }$
B) $\frac { 97 } { 140 }$
C) $\frac { 43 } { 140 }$
D) $\frac { 11 } { 35 }$