Question: Use the contingency table to the right to determine the probability of events. B B' A 50 70 A' 90 50 a. What is the

Use the contingency table to the right to determine the probability of events.

B B'

A 50 70

A' 90 50

a. What is the probability of eventA?

b. What is the probability of event A?

c. What is the probability of event A andB?

d. What is the probability of event A orB?

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