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

Author Question: Which distribution is used in testing the hypotheses about the equality of two population variances? ... (Read 93 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
on: Jun 24, 2018
Which distribution is used in testing the hypotheses about the equality of two population variances?
 
  A) z-distribution
  B) F-distribution
  C) x2 distribution
  D) t-distribution

Question 2

A local FedEx/Kinkos has three black-and-white copy machines and two color copiers. Based on historical data, the chances that each black-and-white copier will be down for repairs is 0.10.
 
  The color copiers are more of a problem and are down 20 of the time each.Based on this information, what is the probability that if a customer needs a color copy, both color machines will be down for repairs?A) 0.04
  B) 0.96
  C) 0.47
  D) 0.42


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

A


RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
Reply #2 on: Jun 24, 2018
Thank you


ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

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

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment. Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
Winter distribution of the American crow, Corvus brachyrynchos. Winter distribution of the American crow, Corvus brachyrynchos.
Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in
The Normal Distribution of Scores for a Standardized Intelligence Test The Normal Distribution of Scores for a Standardized Intelligence Test
Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit. Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit.
The testing procedure that was used to evaluate the neuropsychological status of split-brain ... The testing procedure that was used to evaluate the neuropsychological status of split-brain ...
Video: HIV replication/ Replication cycle of HIV

For a complete list of videos, visit our video library