« previous next »

Author Question: A population of scores is normally distributed with a mean of 100 and a standard deviation of 20. ... (Read 99 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
on: Jun 20, 2018
A population of scores is normally distributed with a mean of 100 and a standard
  deviation of 20. Approximately _____ percent of the scores fall in the interval between 60
  and 100.
 
  a. 14
  b. 34
  c. 68
   d. 48

Question 2

A population of scores is normally distributed with a mean of 100 and a standard
  deviation of 20. Approximately _____ percent of the scores fall in the interval between 100
  and 140.
 
  a. 48
  b. 34
  c. 68
  d. 84


steff9894

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

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

The nurse is using Standard Precautions to draw blood. The nurse is using Standard Precautions to draw blood.
Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po
Mean scores for Erikson’s stage V (Identity) for two cohorts. Scores for both cohorts increase ... Mean scores for Erikson’s stage V (Identity) for two cohorts. Scores for both cohorts increase ...
Population and Settlement Population and Settlement
Population growth rate % Population growth rate %
A blade and assorted plates for a standard grinder A blade and assorted plates for a standard grinder
Video: Sister chromatids of a metaphase chromosome animation

For a complete list of videos, visit our video library