« previous next »

Author Question: Suppose a manufacturer produces computers in batches of 100 . A researcher is interested in the ... (Read 141 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
on: Jun 24, 2018
Suppose a manufacturer produces computers in batches of 100 . A researcher is interested in the proportion of all computers produced that are faulty so he randomly samples one batch and finds 9 faulty cameras. Which of the following would be a reasonable estimate of the population proportion of cameras that are not faulty?
 a. 0.91
 
  b. 91
 
  c. 0.09
 
  d. 9

Question 2

An observational study:
 a. analyzes data already available
  b. makes it possible to rule out factors over which the researcher has no control for the observed effects
  c. examines individuals that have been selected by the researchers
  d. allows researchers to control for all extraneous factors


CharlieArnold

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

X chromosome inactivation in female mammals produces the Barr Body. X chromosome inactivation in female mammals produces the Barr Body.
How lateral inhibition produces contrast enhancement. (Based on Ratliff, 1972.) How lateral inhibition produces contrast enhancement. (Based on Ratliff, 1972.)
Consider the production function ( ) 0.5 0.5 Y = AK L . Suppose both saving rate (s) and the ... Consider the production function ( ) 0.5 0.5 Y = AK L . Suppose both saving rate (s) and the ...
Consider the production function ( ) 0.5 0.5 Y = AK L . Suppose both saving rate (s) and the ... Consider the production function ( ) 0.5 0.5 Y = AK L . Suppose both saving rate (s) and the ...
(a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces (a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces
A manufacturer of cat towers wishes to locate a super assembly facility to meet their cat tower ... A manufacturer of cat towers wishes to locate a super assembly facility to meet their cat tower ...
Video: HDL (high density lipoprotein)

For a complete list of videos, visit our video library