This topic contains a solution. Click here to go to the answer

Author Question: Four percent of the customers of a mortgage company default on their payments. A sample of five ... (Read 51 times)

jon_i

  • Hero Member
  • *****
  • Posts: 549
Four percent of the customers of a mortgage company default on their payments. A sample of five customers is selected. What is the probability that exactly two customers in the sample will default on their payments?
 a. .2592
  b. .0142
  c. .9588
  d. .7408

Question 2

Consider the following hypothesis test: H0: p  .8 Ha: p > .8 A sample of 400 provided a sample proportion of .853.
 a. Determine the standard error of the proportion.
  b. Compute the value of the test statistic.
  c. Determine the p-value; and at a 5 level, test the above hypotheses.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

C.mcnichol98

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

b

Answer to Question 2

a. .02
b. z = 2.65
c. p-value = .004; reject H0




jon_i

  • Member
  • Posts: 549
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)


amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Excellent

 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

For a complete list of videos, visit our video library