Author Question: Revised probabilities of events based on additional information are _____. a. joint probabilities ... (Read 172 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
Revised probabilities of events based on additional information are _____.
 a. joint probabilities
  b. posterior probabilities
  c. marginal probabilities
  d. complementary probabilities

Question 2

The average monthly electric bill of a random sample of 256 residents of a city is 90 with a standard deviation of 24.
 a. Construct a 90 confidence interval for the mean monthly electric bills of all residents.
  b. Construct a 95 confidence interval for the mean monthly electric bills of all residents.



jesse.fleming

  • Sr. Member
  • ****
  • Posts: 301
Answer to Question 1

b

Answer to Question 2

a. 87.5325 to 92.4675
b. 87.06 to 92.94



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

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.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

For a complete list of videos, visit our video library