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

Author Question: In hypothesis testing if the null hypothesis is rejected, a. no conclusions can be drawn from the ... (Read 81 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
In hypothesis testing if the null hypothesis is rejected,
 a. no conclusions can be drawn from the test
  b. the alternative hypothesis is true
  c. the data must have been accumulated incorrectly
  d. the sample size has been too small

Question 2

In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 16 pieces of carry-on luggage was weighed. The average weight was 20 pounds. Assume that we know the standard deviation of the population to be 8 pounds.
 a. Determine a 97 confidence interval estimate for the mean weight of the carry-on luggage.
  b. Determine a 95 confidence interval estimate for the mean weight of the carry-on luggage.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ntsoane kedibone

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

B

Answer to Question 2

a. 15.66 to 24.34
b. 16.08 to 23.92




SGallaher96

  • Member
  • Posts: 509
Reply 2 on: Jun 24, 2018
Gracias!


deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

For a complete list of videos, visit our video library