Author Question: Events A and B are mutually exclusive with P(A) = .3 and P(B) = .2 . The probability of the ... (Read 160 times)

craiczarry · **on:** Jun 24, 2018

Events A and B are mutually exclusive with P(A) = .3 and P(B) = .2 . The probability of the complement of event B equals _____.
a. 0
b. .06
c. .70
d. None of the answers is correct.

Question 2

In hypothesis testing, the tentative assumption about the population parameter is
a. the alternative hypothesis.
b. the null hypothesis.
c. either the null or the alternative.
d. neither the null nor the alternative.