The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency table below summarizes the results. $$\begin{array}{l}

\begin{array} { r | r } \text { Waiting Time } & \text {Number of }\
\text { (minutes) } & \text { Customers } \
\hline 0 - 3 & 11 \
4 - 7 & 14 \
8 - 11 & 12 \
12 - 15 & 8 \
16 - 19 & 4 \
20 - 23 & 3 \
24 - 27 & 2
\end{array}
\end{array}$$
If we randomly select one of the customers represented in the table, what is the probability that the waiting time is at least 12 minutes or between 8 and 15 minutes?
A) 0.741
B) 0.685
C) 0.537
D) 0.148

Question

The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency table below summarizes the results. $$\begin{array}{l}

\begin{array} { r | r } \text { Waiting Time } & \text {Number of }\
\text { (minutes) } & \text { Customers } \
\hline 0 - 3 & 11 \
4 - 7 & 14 \
8 - 11 & 12 \
12 - 15 & 8 \
16 - 19 & 4 \
20 - 23 & 3 \
24 - 27 & 2
\end{array}
\end{array}$$ 
If we randomly select one of the customers represented in the table, what is the probability that the waiting time is at least 12 minutes or between 8 and 15 minutes?
A) 0.741
B) 0.685
C) 0.537
D) 0.148

Quizplus · Accepted Answer

The Answer of The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency table below summarizes the results. $$\begin{array}{l}

\begin{array} { r | r } \text { Waiting Time } & \text {Number of }\
\text { (minutes) } & \text { Customers } \
\hline 0 - 3 & 11 \
4 - 7 & 14 \
8 - 11 & 12 \
12 - 15 & 8 \
16 - 19 & 4 \
20 - 23 & 3 \
24 - 27 & 2
\end{array}
\end{array}$$ 
If we randomly select one of the customers represented in the table, what is the probability that the waiting time is at least 12 minutes or between 8 and 15 minutes?
A) 0.741
B) 0.685
C) 0.537
D) 0.148

The Manager of a Bank Recorded the Amount of Time