The following two-way table shows the distribution of daily traffic and weather issues in a certain large city.
Suppose a day from this city is selected at random. Let
event A = heavy traffic and event B = bad weather Are
events A and B independent?
Heavy
Traffic
Daily Traffic
Light
Traffic
Total
O AP
No, P(A) = P(BA)
No P(A) = P(AB).
0 Yes P(A) = P(AB).
Yes, P(A) = P(BIA)
Bad
Weather
25
5
30
Weather
Conditions
Good
Weather
55
15
75
Total
80
20
100