Author Question: Portfolio selection problems should acknowledge both risk and return. Indicate whether the ... (Read 136 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
Portfolio selection problems should acknowledge both risk and return.
  Indicate whether the statement is true or false

Question 2

A researcher is testing a new painkiller that claims to relieve pain in less than 15 minutes, on average.
 a. State the hypotheses associated with the researcher's test.
  b. Describe a Type I error for this situation.
  c. Describe a Type II error for this situation.



tennis14576

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

T

Answer to Question 2

a. H0:   15
Ha:  < 15
b. A Type I error for this situation would be to incorrectly conclude that the average pain relief time is less than 15 minutes.
c. A Type II error for this situation would be to fail to conclude that the average relief time is less than 15 minutes when the average relief time actually is less than 15 minutes.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

For a complete list of videos, visit our video library