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 89 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


Missbam101

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

 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

For a complete list of videos, visit our video library