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
Bad
Weather
O No, P(A) = P(BIA).
O No, P(A) = P(AB).
O Yes, P(A) = P(AB)
O Yes, P(A) + P(BIA).
25
5
30
Weather
Conditions
Good
Weather
55
15
75
Total
80
20
100