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

Author Question: Describe the process for finding probabilities using z scores and the standard normal distribution. ... (Read 61 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Aug 1, 2018
Describe the process for finding probabilities using z scores and the standard normal distribution. Give an example to support your description.
 
  What will be an ideal response?

Question 2

Compute the variance. A class of sixth grade students kept accurate records on the amount of time they spent playing video games during a one-week period. The times (in hours) are listed below:
 
  11.8 12.4 17.5 14.5 17.9
  21.6 15.7 30.4 26.6 29.2
  A) 46.87 B) 194.43 C) 42.27 D) 46.97


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Christopher

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Aug 1, 2018
Answer to Question 1

The process should include sketching the diagram, marking the z score on the diagram, shading the appropriate area of interest, finding the area corresponding to the z score in the table (the area between the mean and the z score), then using that area to find the shaded area of interest. Student examples may vary.

Answer to Question 2

D


littleanan

  • Member
  • Posts: 575
Reply 2 on: Aug 1, 2018
Excellent

dreamfighter72

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro
Coronoid process Coronoid process
The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle. The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle.
Distribution and Forms of Precipitation: Freezing Rain Distribution and Forms of Precipitation: Freezing Rain
How to find the tangential and normal components of a vector How to find the tangential and normal components of a vector
Video: Interview with Person who has Schizophrenia

For a complete list of videos, visit our video library