Solved: Independent?Refer to the contingency table in

Chapter 5, Problem 43E

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QUESTION:

Problem 43E

Independent?Refer to the contingency table in Problem that relates person type in a traffic fatality to gender. Determine P(female) and P(female | driver). Are the events “female” and “driver” independent?

 

Male

Female

Total

Driver

32,873

11,856

44,729

Passenger

6,453

6,363

12,816

Total

39,326

18,219

57,545

Questions & Answers

QUESTION:

Problem 43E

Independent?Refer to the contingency table in Problem that relates person type in a traffic fatality to gender. Determine P(female) and P(female | driver). Are the events “female” and “driver” independent?

 

Male

Female

Total

Driver

32,873

11,856

44,729

Passenger

6,453

6,363

12,816

Total

39,326

18,219

57,545

ANSWER:

Solution:

Step 1 of 3:

The data that relates person type in a traffic fatality to gender is given.

                                         

Male

Female

Total

Driver

32,873

11,856

44,729

Passenger

6,453

6,363

12,816

Total

39,326

18,219

57,545

                   

We have to determine P (female) and P (female/driver).

We also want to check whether the events “female” and “driver” are independent or not.


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