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

Author Question: In the following exercises, does the problem involve permutations or combinations? Explain your ... (Read 1125 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556

Question 1

In the following exercises, does the problem involve permutations or combinations? Explain your answer.  It is not necessary to solve the problem.

How many different user ID's can be formed from the letters W, X, Y, Z if no repetition of letters is allowed?
◦ Permutations, because the order of the letters matters.
◦ Combinations, because the order of the letters does not matter.

Question 2

In the following exercises, does the problem involve permutations or combinations? Explain your answer.  It is not necessary to solve the problem.

Five of a sample of 100 computers will be selected and tested.  How many ways are there to make this selection?
◦ Permutations, because the order of the computers selected does matter.
◦ Combinations, because the order of the computers selected does not matter.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by tingc95 on Feb 2, 2020

Kedrick2014

  • Sr. Member
  • ****
  • Posts: 359
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly




 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

For a complete list of videos, visit our video library