Author Question: Given a normal distribution of intelligence test scores (mean=100, s.d.=15), what is the probability ... (Read 24 times)

LCritchfi

  • Hero Member
  • *****
  • Posts: 519
Given a normal distribution of intelligence test scores (mean=100, s.d.=15), what is the probability that someone will score between 100 and 115?
 
  a. cannot be determined
  b. .15
  c. .68
  d. .34

Question 2

If Brian has a 50 chance of getting a job, and that job would either be at IBM or AT&T, what is the probability that he will soon be working at IBM?
 
  a. .50  2 = .25
  b. .50  p(AT&T)
  c. .50  p(IBM)
  d. .50  p(AT&T)



kaylee05

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

For a complete list of videos, visit our video library