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

Author Question: One of the characteristics of a normal distribution is that: A) It is bimodal B) 95 of the ... (Read 90 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
One of the characteristics of a normal distribution is that:
 
  A) It is bimodal
  B) 95 of the values are within two standard deviations above and below the mean
  C) The values are positively skewed
  D) The mean is 100

Question 2

A group of 100 students took a test. The mean was 85, the standard deviation was 5, and the scores were normally distributed. About how many of the 100 scores fell between 80 and 90?
 
  A) 34
  B) 68
  C) 95
  D) Impossible to determine



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kjones0604

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

B

Answer to Question 2

B




RRMR

  • Member
  • Posts: 557
Reply 2 on: Jul 8, 2018
:D TYSM


mcarey591

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

 

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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.

For a complete list of videos, visit our video library