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

Author Question: A study of Brand D washing machines that failed within three years (warranty period) was 23.2. Of ... (Read 24 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
on: Aug 1, 2018
A study of Brand D washing machines that failed within three years (warranty period) was 23.2. Of those that failed, 82.9 lasted over two years. What is the probability that a washer, which lasts at least two years, will still fail before the end of the warranty period?

Question 2

Explain whether the standard normal distribution or the t-distribution is employed under the following circumstances: A) Population: Not given; Sample size: 50; Population standard deviation: Given B) Population: Normal; Sample size: 16; Population standard deviation: Not given C) Population: Not given; Sample size: 40; Population standard deviation: Given D) Population: Normal; Sample size: 9; Population standard deviation: Given


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nikmaaacs

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Aug 1, 2018
Answer to Question 1

0.171

Answer to Question 2

Standard normal; t-distribution; Standard normal; Standard normal


Alygatorr01285

  • Member
  • Posts: 564
Reply 2 on: Aug 1, 2018
Great answer, keep it coming :)

tanna.moeller

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Shelled invertebrate fossils of the Ordovician period Shelled invertebrate fossils of the Ordovician period
Flipper tags have been extensively used in the study of penguin population dynamics. Flipper tags have been extensively used in the study of penguin population dynamics.
Synodic Period Synodic Period
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Embryonic Period Embryonic Period
A portfolio earned -13%, 18%, 5%, 24%, and -5% in five successive years. What was the ... A portfolio earned -13%, 18%, 5%, 24%, and -5% in five successive years. What was the ...
Video: Blood Test Basics

For a complete list of videos, visit our video library