« previous next »

Author Question: The pooled variance is used to calculate the test statistics for comparing two population means when ... (Read 21 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?

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?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Performing a Spirometry Test to Measure Forced Vital Capacity Performing a Spirometry Test to Measure Forced Vital Capacity
Comparing Prison Inmates With The U.S. Population Comparing Prison Inmates With The U.S. Population
Population and Settlement Population and Settlement
Active range of motion (AROM) tests for the shoulder. A, Apley Scratch Test. B and C, Internal ... Active range of motion (AROM) tests for the shoulder. A, Apley Scratch Test. B and C, Internal ...
How to calculate invest at each rate How to calculate invest at each rate
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree? How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?
Video: Bone processes - resorption and deposition, remodeling and response to stress in adult bones

For a complete list of videos, visit our video library