Mathematics, 09.09.2020 23:01 kksavage36
Suppose a room is full of 250 students. Some are members of the chess club, and some are members of the drama club. These are not mutually exclusive: some are members of both (perhaps for a performance of Bergman's The Seventh Seal ?). There are 50 chess-club students and 60 drama-club students. If we randomly select a student, let C be the event the student is in the chess club, and let D be the event the student is in the drama club. How many students must be in both the chess club and the drama club in order for C and D to be independent events?
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5
Answers: 1
Mathematics, 21.06.2019 21:30
About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?
Answers: 1
Mathematics, 21.06.2019 22:30
60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?
Answers: 1
You know the right answer?
Suppose a room is full of 250 students. Some are members of the chess club, and some are members of...
Questions
Mathematics, 28.12.2020 05:20
Mathematics, 28.12.2020 05:20
World Languages, 28.12.2020 05:20
Social Studies, 28.12.2020 05:30
English, 28.12.2020 05:30
English, 28.12.2020 05:30
English, 28.12.2020 05:30
Biology, 28.12.2020 05:30
History, 28.12.2020 05:30
Spanish, 28.12.2020 05:30
