Question

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A random sample of 160 car purchases are selected and categorized by age. The results are...

A random sample of 160 car purchases 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 P-value to test the claim that all ages have purchase rates proportional to their driving rates. Use α = 0.05.

age under 26 26-45 45-65 over 60
purchases 66 39 25

30

please explain how to solve problem on the ti84 calculator. please also explain how you got the answer without the calculator.

ANSWERS

A) 0.01 < P < 0.025

B) P > 0.10

C) P < 0.005

D) 0.005 < P < 0.01

Solutions

Expert Solution

The detailed solution to do by hand is given below

Correct answer : C) P < 0.005

milcah answered 8 months ago
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