Author Question: The Beer Institute reported that monthly consumption of beer is 1.7 gallons per person. A random ... (Read 130 times)

colton

  • Hero Member
  • *****
  • Posts: 627
The Beer Institute reported that monthly consumption of beer is 1.7 gallons per person.
 
  A random sample of 36 adults was selected. Using a standard deviation of 0.5 gallons per month per person, what is the probability that the sample mean was between 1.6 and 1.8 gallons per month per person?
  A) 0.4960
  B) 0.5596
  C) 0.7698
  D) 0.9082

Question 2

Increasing the sample size when calculating a confidence interval while keeping the confidence level constant will
 
  A) reduce the margin of error resulting in a wider (less precise) confidence interval.
  B) increase the margin of error resulting in a narrower (more precise) confidence interval.
  C) reduce the margin of error resulting in a narrower (more precise) confidence interval.
  D) increase the margin of error resulting in a wider (more precise) confidence interval.


ergserg

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library