Author Question: Which of the following is not necessarily true for independent events A and B? a. P(A and B) = ... (Read 41 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
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
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

For a complete list of videos, visit our video library