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

Author Question: In testing the hypotheses H0: = 0.40, H1: > 0.40 at the 5 significance level, if the sample ... (Read 113 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
In testing the hypotheses H0:  = 0.40, H1:  > 0.40 at the 5 significance level, if the sample proportion is .45, and the standard error of the sample proportion is .035, the appropriate conclusion would be:
 a. to reject H0.
  b. not to reject H0.
  c. to reject H1.
  d. to reject both H0 and H1.

Question 2

A mortgage broker is offering home mortgages at a rate of 9.5 but is fearful that this value is higher than many others are charging. A sample of 40 mortgages filed in the county court house shows an average of 9.25 with a standard deviation of 8.61. Does this sample indicate a smaller average? Use  = 0.05 and assume a normally distributed population.
 a. Yes, the test statistic falls in the rejection region.
  b. No, the test statistic falls in the acceptance region.
  c. Yes, because the test statistic is greater than -1.645.
  d. No, because the test statistic is -1.85 and falls in the rejection region.
  e. Yes, because the sample mean of 9.25 is below 9.5.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

komodo7

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

B

Answer to Question 2

B




yoooooman

  • Member
  • Posts: 557
Reply 2 on: Jun 24, 2018
Wow, this really help


bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

For a complete list of videos, visit our video library