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 54 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
Great answer, keep it coming :)

carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Weber test: Place the base of the tuning fork on top of the client’s head. Weber test: Place the base of the tuning fork on top of the client’s head.
Citrate synthase test Citrate synthase test
standard reduction potential (Eo), the greater the tendency of the oxidized form of a redox couple standard reduction potential (Eo), the greater the tendency of the oxidized form of a redox couple
Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ... Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ...
Popular Methods of Conducting Social Science Research Popular Methods of Conducting Social Science Research
Video: Acid-base imbalances - respiratory acidosis and alkalosis

For a complete list of videos, visit our video library