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 58 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
Gracias!

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Administration of the Rinne test. Administration of the Rinne test.
International Performance in Reading, Math, and Science, Eight Grade International Performance in Reading, Math, and Science, Eight Grade
Science dresses Science dresses
Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ... Standard precaution guidelines. Additional guidelines/protocols may be utilized depending on the ...
Airflow through the large diameter upper intake manifold is distributed to smaller diameter ... Airflow through the large diameter upper intake manifold is distributed to smaller diameter ...
Controlled Scientific Experiments Scientists use experimental research to test hypotheses Controlled Scientific Experiments Scientists use experimental research to test hypotheses
Video: Epidural Hematoma

For a complete list of videos, visit our video library