This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In a normal distribution with a mean of 90 and a standard deviation of 10, what percentage of scores ... (Read 176 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
on: Jun 20, 2018
In a normal distribution with a mean of 90 and a standard deviation of 10, what percentage of scores fall between 80 and 110?
 
  a. 13.5
  b. 34
  c. 68
  d. 81.5

Question 2

In a normal distribution with a mean of 50 and a standard deviation of 5, what percentage of scores fall between 45 and 55?
 
  a. 13.5
  b. 34
  c. 68
  d. 95


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shewald78

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jun 20, 2018
Answer to Question 1

d

Answer to Question 2

c


cabate

  • Member
  • Posts: 537
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
2 Several oxygen-binding curves: for normal hemoglobin 2 Several oxygen-binding curves: for normal hemoglobin
EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic
Distribution of the African great apes. Distribution of the African great apes.
Distribution of Rods and Cones on the Retina Distribution of Rods and Cones on the Retina
An accessory belt tensioner. Most tensioners have a mark that indicates normal operating location. ... An accessory belt tensioner. Most tensioners have a mark that indicates normal operating location. ...
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library