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Solved: Independent?Refer to the contingency table in
Chapter 5, Problem 43E(choose chapter or problem)
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.