Author Question: Given a normal distribution of intelligence test scores (mean=100, s.d.=15), what is the probability ... (Read 61 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?

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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

For a complete list of videos, visit our video library