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

Author Question: In a lower one-tail hypothesis test situation, the p-value is determined to be 0.2 . If the sample ... (Read 21 times)

Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
In a lower one-tail hypothesis test situation, the p-value is determined to be 0.2 . If the sample size for this test is 51, the t statistic has a value of
 a. 0.849
  b. -0.849
  c. 1.299
  d. -1.299

Question 2

A simple random sample of 144 items resulted in a sample mean of 1257.85 and a standard deviation of 480 . Develop a 95 confidence interval for the population mean.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xoxo123

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

B

Answer to Question 2

1179.45 to 1336.25




Pineapplelove6

  • Member
  • Posts: 560
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

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

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

For a complete list of videos, visit our video library