Author Question: A population consists of 8 items. The number of different simple random samples of size 3 (without ... (Read 117 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
A population consists of 8 items. The number of different simple random samples of size 3 (without replacement) that can be selected from this population is _____.
 a. 24
  b. 56
  c. 512
  d. 128

Question 2

The expected value of a random variable is the _____.
 a. most probable value
  b. simple average of all the possible values
  c. median value
  d. mean value



Christopher

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

b

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

For a complete list of videos, visit our video library