Author Question: When Cynthia enters a grocery store, there are three simple events: buy nothing, buy a small amount, ... (Read 131 times)

cmoore54 · **on:** Jul 24, 2018

When Cynthia enters a grocery store, there are three simple events: buy nothing, buy a small amount, or buy a large amount. In this situation, if Cynthia buys a small amount, she cannot also buy a large amount or buy nothing. Thus the three events are:
a. mutually exclusive
b. not mutually exclusive
c. dependent events
d. independent events
e. none of these

Question 2

In a chi-square test of independence with 6 degrees of freedom and a level of significance of 0.05, the critical value from the chi-square table is 12.6 . The computed value of the test statistics is 10.97 . This will lead us to reject the null hypothesis.
Indicate whether the statement is true or false