Random sample-test claim, A random sample of 160 car

Random sample-test claim

Reference no: EM1394795

A random sample of 160 car crashes are selected and categorized by age. The are listed below. The age distribution of for the given categories is 18% for under 26, 39% for 26-45, 31% for 46-65, and 12% for over 65. Test the claim that all ages have crash rates proportional to their driving rates (use alpha = .05).

Age Under 26 26-45 45-65 over 65
Drivers 66 39 25 30

Reference no: EM1394795

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