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

Author Question: The ________ change every time a new sample is taken. a.variables b.population parameters ... (Read 110 times)

OSWALD

  • Hero Member
  • *****
  • Posts: 580
on: Jul 24, 2018

  The ________ change every time a new sample is taken.
 

  a.variables
  b.population parameters
  c.sample statistics
 

d.distributions
 
 



Question 2


  Suppose the income of recent doctoral graduates who become professors at a university is approximately normally distributed with a mean income of 42,000 and a standard deviation of 8000. If a random sample of size 100 is taken and the mean is calculated, what is the probability that this mean value will be between 43,500 and 45,000?
 

  a.0.072
  b.0.969
  c.0.0309
 

d.0.9999
 
 



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 24, 2018
Answer to Question 1

correct: c

Answer to Question 2

correct: c


OSWALD

  • Hero Member
  • *****
  • Posts: 580
Reply #2 on: Jul 24, 2018
TY


diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #3 on: Jul 24, 2018
You're welcome


« previous next »
 

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Feral Jackson's Chameleon from a population introduced to Hawaii in the 1970s Feral Jackson's Chameleon from a population introduced to Hawaii in the 1970s
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
population population
Elaboration Likelihood Model of Attitude Change Elaboration Likelihood Model of Attitude Change
Poverty and population growth Poverty and population growth
Jim Croce - Time in a bottle - 1973 Jim Croce - Time in a bottle - 1973
Video: How do the different types of chromatography work? (No Audio)

For a complete list of videos, visit our video library