This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the test scores on an art history exam were normally distributed with a mean of 76 and standard ... (Read 79 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

B


newbem

  • Member
  • Posts: 579
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

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

History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
History Vector Icon History Vector Icon
Starch iodine test for alpha amylase. Starch iodine test for alpha amylase.
Created Equal: A Social and Political History of the United States, Brief Edition Created Equal: A Social and Political History of the United States, Brief Edition
A karyotype arranges the chromosomes in a standard format A karyotype arranges the chromosomes in a standard format
Emerson’s Three-Point Test-Cross Analysis Emerson’s Three-Point Test-Cross Analysis
Video: Coronary Heart Disease Animation

For a complete list of videos, visit our video library