Author Question: The amount of material used in making a custom sail for a sailboat is normally distributed with a ... (Read 36 times)

FButt

  • Hero Member
  • *****
  • Posts: 519
The amount of material used in making a custom sail for a sailboat is normally distributed with a standard deviation of 64 square feet. For a random sample of 15 sails, the mean amount of material used is 912 square feet.
 
  Which of the following represents a 99 confidence interval for the population mean amount of material used in a custom sail?A) 912  49.2
  B) 912  42.6
  C) 912  44.3
  D) 912  46.8

Question 2

The listing of all possible outcomes of an experiment and their corresponding probability of occurrence is called a(n):
 
  A) random variable.
  B) objective probability.
  C) probability distribution.
  D) hypergeometric function.



l.stuut

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

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?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

For a complete list of videos, visit our video library