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 297 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
YES! Correct, THANKS for helping me on my review


ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

For a complete list of videos, visit our video library