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

Author Question: IQ scores form a normal distribution with = 100 and = 15 . Individuals with IQs between 90 and110 ... (Read 19 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
on: Jun 20, 2018
IQ scores form a normal distribution with  = 100 and  = 15 . Individuals with IQs between 90 and110 are classified as average. What proportion of the population is average?
 
  a. 0.7486 c. 0.4972
  b. 0.5028 d. 0.2486

Question 2

IQ scores form a normal distribution with  = 100 and  = 15 . Individuals with IQs above 140 are classified in the genius category. What proportion of the population consists of geniuses?
 
  a. 0.9962 c. 0.4962
  b. 0.5038 d. 0.0038


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chou

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

D


rmenurse

  • Member
  • Posts: 513
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

Perkypinki

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

The patient's signature on the informed consent form indicates that the patient understands the The patient's signature on the informed consent form indicates that the patient understands the
Normal lung volumes and capacities. Normal lung volumes and capacities.
A gauge reading with the needle fluctuating 3 to 9 inches Hg below normal often indicates a vacuum ... A gauge reading with the needle fluctuating 3 to 9 inches Hg below normal often indicates a vacuum ...
Distribution and Forms of Precipitation: Rain Distribution and Forms of Precipitation: Rain
Distribution of zebra and quagga mussels in North America in 2014 Distribution of zebra and quagga mussels in North America in 2014
Children's behaviour rating scores on measures of aggression and anxiety Children's behaviour rating scores on measures of aggression and anxiety
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library