« previous next »

Author Question: A population consists of 8 items. The number of different simple random samples of size 3 (without ... (Read 273 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
on: Jun 24, 2018
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
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

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

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Types of variation in chromosome number. Types of variation in chromosome number.
Large male size and mating success. Large male size and mating success.
Random Random
Changes in chromosome number Changes in chromosome number
Average Number of Hours Slept per Day by Various Mammalian Species Average Number of Hours Slept per Day by Various Mammalian Species
Average household size Average household size
Video: DNA Sequences - Dideoxy Sequencing

For a complete list of videos, visit our video library