Author Question: Which of the following statements is not correct? a. Two events A and B are mutually exclusive if ... (Read 79 times)

CQXA · **on:** Jun 24, 2018

Which of the following statements is not correct?
a. Two events A and B are mutually exclusive if event A occurs and event B cannot occur.
b. If events A and B occur at the same time, then A and B intersect.
c. If event A does not occur, then its complement A' will also not occur.
d. A union of events occurs when at least one event in a group occurs, e.g., (A or B or C).
e. If all possible outcomes of an experiment are represented in a set, the set is considered exhaustive.

Question 2

If Events A and B are not mutually exclusive, then the probability that one of the events will occur is represented by
a. P(A or B) = P(A) + P(B) - P(A and B)
b. P(A or B) = P(A) + P(B)
c. P(A and B) = P(A) + P(B) - P(A or B)
d. P(A and B) = P(A) + P(B)
e. P(A or B) = P(A) + P(B) + P(A and B)