Author Question: The probability of the occurrence of event A in an experiment is 1/3 . If the experiment is ... (Read 85 times)

vicky · **on:** Jun 24, 2018

The probability of the occurrence of event A in an experiment is 1/3 . If the experiment is performed two times and event A did not occur, then on the third trial event A _____.
a. must occur
b. may occur
c. could not occur
d. has a 2/3 probability of occurring

Question 2

In a lower tail hypothesis test situation, the p-value is determined to be .2 . If the sample size for this test is 51, the t statistic has a value of
a. .849.
b. -.849.
c. 1.299.
d. -1.299.