If P(A) = .80, P(B) = .65, and P(A B) = .78, then P(B A) = ...

[joe]

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.

[aham8f]

Answer to Question 1

b

Answer to Question 2

d

[joe]

Wow, this really help

[steff9894]

Excellent