Author Question: After completing sales training for a large company, it is expected that the salesperson will ... (Read 15 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
After completing sales training for a large company, it is expected that the salesperson will generate a sale on at least 15 percent of the calls he or she makes.
 
  To make sure that the sales training process is working, a random sample of n = 400 sales calls made by sales representatives who have completed the training have been selected and the null hypothesis is to be tested at 0.05 alpha level. Suppose that a sale is made on 36 of the calls. Based on this information, what is the test statistic for this test?A) Approximately 0.1417
  B) About z = -3.35
  C) z = -1.645
  D) t = -4.567

Question 2

Which of the following statements is true?
 
  A) A binomial distribution with n = 20 and p = 0.05 will be right-skewed.
  B) A binomial distribution with n = 6 and p = 0.50 will be symmetric.
  C) A binomial distribution with n = 20 and p = 0.05 has an expected value equal to 1.
  D) A, B, and C are all true.



Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

B

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

For a complete list of videos, visit our video library