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 117 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?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ... A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
After testing, be sure to reinstall the relay and the relay cover. After testing, be sure to reinstall the relay and the relay cover.
A weather map depicting the sea-level pressure distribution for March 4, 1994. A weather map depicting the sea-level pressure distribution for March 4, 1994.
Distribution and Forms of Precipitation: Graupel and Hail Distribution and Forms of Precipitation: Graupel and Hail
Testing the biceps reflex Testing the biceps reflex
Video: Blood Flow Through the Kidneys

For a complete list of videos, visit our video library