3. There are 500 students in Pures College, 150 students are enrolled in Statistics course and 80 students are enrolled in a Mat

Question

3 years ago

9

3. There are 500 students in Pures College, 150 students are enrolled in Statistics course and 80 students are enrolled in a Mat

hs course. There are 30 students who are taking both Statistics and Maths courses. (6 marks) Required: If a student is chosen at random a. What is the probability that the student is taking Statistics b. What is the probability that the student is taking Maths given that the student is also taking Statistics c. What is the probability that the student is taking Statistics given that the student is also taking Maths

SAT

1 answer:

slega [8] · Answer 1 · 2022-06-08T16:55:44+03:00

Answer:

a. 0.3

b. 0.2

c.0.375

Explanation:

A. is asking for the number of students taking stats divided by the total Students. So in this case 150/500 which equals 0.3

B. This is asking for the number of students taking both stats and math divided by the number of students that are taking stats. So 30/150 which equals 0.2

C. This is asking for the number of students taking both stats and math divided by the number of students that are taking math. So 30/80 which equals 0.375