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 155 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 :)

mcarey591

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Distribution of glaciers in North America (a) in the late twentieth century, and (b) 18,000 years ag Distribution of glaciers in North America (a) in the late twentieth century, and (b) 18,000 years ag
Sickled and normal red blood cells Sickled and normal red blood cells
Summation of Heart Sounds, Normal S2 Summation of Heart Sounds, Normal S2
Distribution of the Old World monkeys. Distribution of the Old World monkeys.
Maps are important tools in political science as they help us see relationships between politics and Maps are important tools in political science as they help us see relationships between politics and
Normal lung volumes and capacities. Normal lung volumes and capacities.
Video: What is an ecosystem?

For a complete list of videos, visit our video library