Use the contingency table to the right to determine the probability of events. a. What is the probability of event A? b. What is the probability of event A? c. What is the probability of event A and B? d. What is the probability of event A or B? Table: B B' A 80 10 A' 70 70

a. The probability of event A is

enter your response here.

(Type an integer or decimal rounded to three decimal places as needed.)Part 2b. The probability of event

A

is

enter your response here.

(Type an integer or decimal rounded to three decimal places as needed.)Part 3c. The probability of event A and B is

enter your response here.

(Type an integer or decimal rounded to three decimal places as needed.)Part 4d. The probability of event A or B is

enter your response here.

(Type an integer or decimal rounded to three decimal places as needed.)