A random sample of 160 car crashes are selected and categorized by age. The results are listed below. The age distribution of drivers for the given categories is 18% for the under 26 group, 39% for the 26-45 group, 31% for the 45-65 group, and 12% for the group over 65. Find the rejection region to test the claim that all ages have crash rates
proportional to their driving rates.
A) > 11.143
B) > 9.348
C) > 7.815
D) > 6.251