Author Question: Which of the following statements is correct given that the events A and B have nonzero ... (Read 55 times)

faduma · **on:** Jun 24, 2018

Which of the following statements is correct given that the events A and B have nonzero probabilities?
a. A and B cannot be both independent and mutually exclusive
b. A and B can be both independent and mutually exclusive
c. A and B are always independent
d. A and B are always mutually exclusive

Question 2

A survey revealed that 21.5 of the households had no checking account, 66.9 had regular checking accounts, and 11.6 had NOW accounts. Of those households with no checking account 40 had savings accounts. Of the households with regular checking accounts 71.6 had a savings account. Of the households with NOW accounts 79.3 had savings accounts. The probability that a randomly selected household with a savings account has no checking account is:
a. 0.1309.
b. 0.1290.
c. 0.1437.
d. 0.2150.
e. 0.4000.