Statics Question:
Scenario: A survey asked people how often they exceed speed limits. The data are then categorized into the following contingency table of counts showing the relationship between age group and response.
Exceed Limit if Possible Age Always Not Always Total
Under 30 100 100 200
Over 30 40 160 200
Total 140 260 400
Among people with age over 30, what is the risk of always exceeding the speed limit?
Answer:
* a) 0.20
* b) 0.40
* c) 0.33
* d) 0.50
Answer - a
* b) 0.40
* c) 0.33
* d) 0.50
Answer - a