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

Author Question: Scores on a computer science aptitude test are normally distributed. The standard deviation of the ... (Read 119 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Jul 24, 2018
Scores on a computer science aptitude test are normally distributed. The standard deviation of the distribution is 6.0, and the 95th percentile for the test is 92 . Find the mean score for this test.

Question 2

Two-year college students have mathematics competency scores that are normally distributed with a mean of 35 (the maximum possible score is 48). The 90th percentile is 40 . Find the standard deviation of the math competency scores.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asdfasdf

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 24, 2018
Answer to Question 1

Mean = 82.1

Answer to Question 2

3.9


fahad

  • Member
  • Posts: 570
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Allen Test: An occluded ulnar artery results in continued pallor of the hand while the radial artery Allen Test: An occluded ulnar artery results in continued pallor of the hand while the radial artery
Do you love science? Do you love science?
Using an ice bath to test the fuel temperature sensor. Using an ice bath to test the fuel temperature sensor.
Using a gauge that measures vacuum in units of inches of water to test the vacuum at the dipstick ... Using a gauge that measures vacuum in units of inches of water to test the vacuum at the dipstick ...
Massage is used as a complement to standard medical treatment in hospitals and skilled nursing ... Massage is used as a complement to standard medical treatment in hospitals and skilled nursing ...
(a) A metaphase array of chromosomes as viewed in the microscope. (b) The computer-derived karyotype (a) A metaphase array of chromosomes as viewed in the microscope. (b) The computer-derived karyotype
Video: Appendicitis Animation

For a complete list of videos, visit our video library