A student believes that no more than 20% (i.e., ?20%) of the students who finish a statistics course get an A. A random sample of 100 students was taken. Twenty-four percent of the students in the sample received 'A's
a. State the null and alternative hypotheses.
b. Using the critical value approach, test the hypotheses at the 1% level of significance.
c. Using the p-value approach, test the hypotheses at the 1% level of significance.
a. H0: p ? .2
Ha: p > .2
b. Do not reject H0; test statistic z = 1 < 2.33
c. Do not reject H0; p-value = .1587 > .01
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If the U.S. Congress enacts a federal statute regulating the sale of automatic weapons and Kentucky passes a state law that conflicts with the federal law, Kentucky's law is said to be:
A. impliedly preempted. B. void-for-vagueness. C. prevailing. D. expressly preempted.
An advantage of which of the following types of syndicated services is being the most flexible way of obtaining data?
A) surveys B) audit services C) media panels D) scanner volume-tracking data E) in-depth interviews
In just-in-time manufacturing, the basic cost classifications used in product costing are materials and conversion costs
Indicate whether the statement is true or false
Which of the following demonstrates “moral ownership”?
a. All of Karen’s coworkers want to take one morally neutral course of action, but she convinces them to adopt a different one. b. Karen leaves the company when its public image suffers from a fraud scandal. c. Karen’s boss asks her repeatedly to go on a date, and she reports it to the company’s ECO. d. All of Karen’s coworkers want to charge a client for extra hours, but Karen believes it is wrong and stands against it.