Find the indicated probability. Express your answer as a simplified fraction unless otherwise noted.
-The following table contains data from a study of two airlines which fly to Small Town, USA. $$\begin{array} { c | c c }
& { \text { Number of flights Number of flights } } \
& \text { which were on time } & \text { which were late } \
\hline \text { Podunk Airlines } & 33 & 6 \
\text { Upstate Airlines } & 43 & 5
\end{array}$$ If one of the 87 flights is randomly selected, find the probability that the flight selected arrived on time.
A) $\frac { 11 } { 76 }$
B) $\frac { 43 } { 87 }$
C) $\frac { 76 } { 87 }$
D) None of the above is correct.

Question

Find the indicated probability. Express your answer as a simplified fraction unless otherwise noted.
-The following table contains data from a study of two airlines which fly to Small Town, USA. $$\begin{array} { c | c c } 
&  { \text { Number of flights Number of flights } } \
& \text { which were on time } & \text { which were late } \
\hline \text { Podunk Airlines } & 33 & 6 \
\text { Upstate Airlines } & 43 & 5
\end{array}$$ If one of the 87 flights is randomly selected, find the probability that the flight selected arrived on time. 
A) $\frac { 11 } { 76 }$
B) $\frac { 43 } { 87 }$
C) $\frac { 76 } { 87 }$
D) None of the above is correct.

Quizplus · Accepted Answer

The total number of flights is 87. The number of flights that were on time is 33 (Podunk) + 43 (Upstate) = 76. Therefore, the probability that a randomly selected flight arrived on time is 76/87.

Find the Indicated Probability If One of the 87 Flights Is Randomly Selected, Find