Question

PLEASE HELP IM GONNA FAIL SENIOR YEAR

Event A occurs with probability 0.2. Event B occurs with probability 0.8. If A and B are mutually exclusive, then
P(A or B) = 0
P(A and B) = 0.16
P(A and B) = 0
P(A or B) = 0.16
both Option a and Option b are true.

Answer 1

By definition, events that are mutually exclusive can not occur together. This means that the probability of event A and event B occuring together is 0