A Car Insurance Company Performed a Study to Determine Whether $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Age Group }$

A car insurance company performed a study to determine whether an association exists between age and the frequency of car accidents.They obtained the following sample data. $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Age Group }$
$\begin{array}{c}\begin{array}{c}\text{Number of} \\\text{accidents in} \\\text{past 3 years}\end{array}\begin{array}{|c|c|c|c|c|}\hline& \text { Under 25 } & 25-45 & \text { Over 45 } & \text { Total } \\\hline 0 & 74 & 90 & 84 & 248 \\\hline 1 & 19 & 8 & 12 & 39 \\\hline>1 & 7 & 2 & 4 & 13 \\\hline \text { Total } & 100 & 100 & 100 & 300 \\\hline\end{array}\end{array}$

A) H0: Number of accidents in the past three years has the same distribution for each age group. HA: Number of accidents in the past three years does not have the same distribution for each age group.
B) H0: Number of accidents in the past three years and age group are not dependent. HA: Number of accidents in the past three years and age group are independent.
C) H0: Number of accidents in the past three years and age group are dependent. HA: Number of accidents in the past three years and age group are not dependent.
D) H0: Number of accidents in the past three years and age group are independent. HA: Number of accidents in the past three years and age group are not dependent.
E) H0: Number of accidents in the past three years and age group are independent. HA: Number of accidents in the past three years and age group are not independent.

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free