An auto insurance company was interested in investigating accident rates for drivers in different age groups.The following table was based on a random sample of drivers and classifies drivers by age group and accident rate. Age Group $$\begin{array} { | c | c | c | c | }
\hline \begin{array} { c }
\text { Number of accidents } \
\text { in past 3 years }
\end{array} & \text { Under 25 } & 25 - 45 & \text { Over 45 } \
\hline 0 & 0.139 & 0.188 & 0.368 \
\hline 1 & 0.067 & 0.080 & 0.103 \
\hline 1 & 0.026 & 0.015 & 0.013 \
\hline
\end{array}$$ Suppose one of these people is selected at random.Compute the probability that the person is aged over 45 and has had no accidents in the past three years.
A)0.368
B)0.103
C)0.484
D)0.529
E)0.760

Question

An auto insurance company was interested in investigating accident rates for drivers in different age groups.The following table was based on a random sample of drivers and classifies drivers by age group and accident rate. Age Group $$\begin{array} { | c | c | c | c | } 
\hline \begin{array} { c } 
\text { Number of accidents } \
\text { in past 3 years }
\end{array} & \text { Under 25 } & 25 - 45 & \text { Over 45 } \
\hline 0 & 0.139 & 0.188 & 0.368 \
\hline 1 & 0.067 & 0.080 & 0.103 \
\hline > 1 & 0.026 & 0.015 & 0.013 \
\hline
\end{array}$$ Suppose one of these people is selected at random.Compute the probability that the person is aged over 45 and has had no accidents in the past three years.
A)0.368
B)0.103
C)0.484
D)0.529
E)0.760

Quizplus · Accepted Answer

The probability that the person is aged over 45 and has had no accidents in the past three years is directly given in the table as 0.368.

An Auto Insurance Company Was Interested in Investigating Accident Rates