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 64 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
Thanks for the timely response, appreciate it

skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Karst Distribution Karst Distribution
Average Normal Blood Pressure Readings Average Normal Blood Pressure Readings
A) Normal bronchiole and (B) bronchiole constricted in asthma attack. A) Normal bronchiole and (B) bronchiole constricted in asthma attack.
Normal and Impaired Vision Normal and Impaired Vision
Dry outgrowths of the ovary wall of a maple (Acer) fruit form “wings” that catch the wind and ... Dry outgrowths of the ovary wall of a maple (Acer) fruit form “wings” that catch the wind and ...
Distribution of fluid compartments in the body Distribution of fluid compartments in the body
Video: How a Urinalysis is Performed

For a complete list of videos, visit our video library