« previous next »

Author Question: Which of the following is not necessarily true for independent events A and B? a. P(A and B) = ... (Read 40 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
on: Jul 24, 2018
Which of the following is not necessarily true for independent events A and B?
 a. P(A and B) = P(A)P(B)
  b. P(AB)=P(A)
  c. P(BA)=P(B)
  d. P(A or B) = P(A) + P(B)

Question 2

In a past General Social Survey, 87 of a random sample of n = 990 respondents answered yes to the question Would you approve of an adult male punching a stranger if the stranger had broken into the man's house? A 95 confidence interval for the proportion of all Americans who approve of punching an intruder is
 a. 0.852 to 0.888
  b. 0.849 to 0.891
  c. 0.845 to 0.895
  d. 0.842 to 0.898


jennafosdick

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

True-color view of Mars seen through NASA's Hubble Space Telescope in 1999 True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
True-color image of layers of haze in Titan's atmosphere. True-color image of layers of haze in Titan's atmosphere.
Stressful Life Events, 5-HTT, and Depression Stressful Life Events, 5-HTT, and Depression
Sequence of events from DNA to protein. Sequence of events from DNA to protein.
Overview of the major events and outcomes of mitosis and meiosis Overview of the major events and outcomes of mitosis and meiosis
Light-independent reactions in C3 plants. Light-independent reactions in C3 plants.
Video: Acid-base imbalances - compensation of metabolic acidosis and alkalosis

For a complete list of videos, visit our video library