« previous next »

Author Question: The pooled variance is used to calculate the test statistics for comparing two population means when ... (Read 22 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
on: Jun 24, 2018
The pooled variance is used to calculate the test statistics for comparing two population means when the population variances are assumed to be unequal.
 
  Indicate whether the statement is true or false

Question 2

Bananas are sold in bunches at a grocery store and typically consist of 4-8 bananas per bunch. Suppose the weight of these bunches follows a normal distribution with a mean of 3.54 pounds and a standard deviation of 0.63 pounds.
 
  What is the probability that a randomly selected bunch of bananas will weigh more than 3.0 pounds?A) 0.5398
  B) 0.6950
  C) 0.8051
  D) 0.9463
Business Statistics ¦ Donnelly ¦ 2nd Edition
Buy Test-Bank


Ahnyah

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Weber's Test Weber's Test
Projected Ethnic Changes in U.S. Population to 2050 Projected Ethnic Changes in U.S. Population to 2050
Cotton Production and Slave Population, 1800–1860 Cotton Production and Slave Population, 1800–1860
How to calculate mean, median, and mode How to calculate mean, median, and mode
How to calculate theoretical probability How to calculate theoretical probability
calculate the quantities required to make 5 lb of hydrophilic ointment: calculate the quantities required to make 5 lb of hydrophilic ointment:
Video: Introduction to Tuberculosis

For a complete list of videos, visit our video library