« previous next »

Author Question: Suppose a manufacturer produces computers in batches of 100 . A researcher is interested in the ... (Read 98 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?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Faulty outlooping produces lambda phage containing bacterial DNA Faulty outlooping produces lambda phage containing bacterial DNA
Faulty outlooping produces lambda phage containing bacterial DNA Faulty outlooping produces lambda phage containing bacterial DNA
Hypothyroidism. Hyposecretion of the thyroid gland produces the symptoms that are illustrated. Hypothyroidism. Hyposecretion of the thyroid gland produces the symptoms that are illustrated.
Speciation produces new types of organisms Speciation produces new types of organisms
Investment in Computers as a Percentage of GDP, 1982–2009 Investment in Computers as a Percentage of GDP, 1982–2009
(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
Video: Leukemia

For a complete list of videos, visit our video library