« previous next »

Author Question: At a carnival game, you'll win a prize if you pick a rubber duck out of a pool that has a red dot on ... (Read 54 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
on: Jun 20, 2018
At a carnival game, you'll win a prize if you pick a rubber duck out of a pool that has a red dot on the bottom. If only 3 ducks out of 95 present have such a dot, what is your probability of winning a prize?
 
  What will be an ideal response?

Question 2

An article in a professional journal reports the zscore for the study's sample mean was 1.4 . The authors also reported their sample mean was 97 with a sample size of 49 and the population mean was 102 . However, they did not give the population standard deviation. What was their population standard deviation?
 
  What will be an ideal response?


Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 20, 2018
Answer to Question 1

3/95 = 0.03 (or 3)

Answer to Question 2

25


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

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.

Crested Duck (Lophonetta specularioides) Crested Duck (Lophonetta specularioides)
Patagonian Crested Duck (Lophonetta specularioides specularioides) Patagonian Crested Duck (Lophonetta specularioides specularioides)
A domestic Muscovy Duck with wings outstretched A domestic Muscovy Duck with wings outstretched
Duck or rabbit Duck or rabbit
Exekias (Potter And Painter) AJAX AND ACHILLES PLAYING A GAME Exekias (Potter And Painter) AJAX AND ACHILLES PLAYING A GAME
Video: Mechanisms of capillary exchange

For a complete list of videos, visit our video library