If P(A) = .80, P(B) = .65, and P(A B) = .78, then P(B A) = _____.
a. .6700
b. .8375
c. .9750
d. Not enough information is given to answer this question.
Question 2
Read the t statistic from the t distribution table and circle the correct answer. For a one-tailed test (upper tail), using a sample size of 18, and at the 5 level of significance, t =
a. 2.12.
b. -2.12.
c. -1.740.
d. 1.740.