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

Author Question: If the test scores on an art history exam were normally distributed with a mean of 76 and standard ... (Read 69 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
If the test scores on an art history exam were normally distributed with a mean of 76 and standard deviation of 6, we would expect
 
  a. most students scored around 70.
  b. no one scored 100 on the exam.
  c. almost equal numbers of students scored a 70 and an 82.
  d. both a and c

Question 2

Which of the following is NOT always true of a normal distribution?
 
  a. It is symmetric.
  b. It has a mean of 0.
  c. It is unimodal.
  d. both a and b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jomama

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

C

Answer to Question 2

B




newbem

  • Member
  • Posts: 579
Reply 2 on: Jun 20, 2018
Wow, this really help


xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

For a complete list of videos, visit our video library