« previous next »

Author Question: Given events A and B with probabilities P(A ) = 0.5, P(B) = 0.4, and P(A and B) = 0.2, are A and B ... (Read 9 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 24, 2018
Given events A and B with probabilities P(A ) = 0.5, P(B) = 0.4, and P(A and B) = 0.2, are A and B independent?
 
  A) yes B) no C) cannot be determined

Question 2

A university must choose a team of 5 students to participate in a TV quiz show. The students will be chosen at random from a pool of 44 potential participants of whom 20 are women. The random variable X represents the number of women on the team.
 
  A) hypergeometric; N = 44, n = 5, k = 20, x = 0, 1, 2, 3, 4, 5
  B) hypergeometric; N = 44, n = 20, k = 5, x = 0, 1, 2, 3, 4, 5
  C) hypergeometric; N = 44, n = 5, k = 20, x = 0, 1, 2, . . . , 20
  D) not hypergeometric


vkodali

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Events of the absorptive state. Events of the absorptive state.
Events of the postabsorptive state. Events of the postabsorptive state.
Major Events in the History of Psychology Major Events in the History of Psychology
Major Events in the History of Psychology (5 of 6) Major Events in the History of Psychology (5 of 6)
Computation of the combined probabilities of each F2 phenotype Computation of the combined probabilities of each F2 phenotype
Calculation of the probabilities in a mating involving the ABO blood type Calculation of the probabilities in a mating involving the ABO blood type
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library