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

Author Question: If a distribution is normal with = 50 and = 10, then what proportion of the scores will fall ... (Read 57 times)

Brittanyd9008

  • Hero Member
  • *****
  • Posts: 500
If a distribution is normal with  = 50 and = 10, then what proportion of the scores will
  fall between 20 and 80?
 
  a. .3413
  b. .6826
  c. .9544
   d. .9974

Question 2

The value of Xs is affected by the size of the sample and the _____ .
 
  a. mean of scores in the sample
  b. mean of the population
   c. variance of the population
  d. shape of the frequency distribution



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

janeli1

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

D

Answer to Question 2

C




Brittanyd9008

  • Member
  • Posts: 500
Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it


shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

For a complete list of videos, visit our video library