engineering mathematics MCQ #3984

In a group of 10 people, 5 are to be selected. What is the probability that a particular person is included?

engineering mathematics MCQ #3984

  1. Question 1

    Q1. In a group of 10 people, 5 are to be selected. What is the probability that a particular person is included?

    • A) 1 / 2
    • B) 5 / 10
    • C) Both A and B
    • D) 9C4 / 10C5

    Answer: Both A and B

    Explanation: If a particular person is to be included, select 4 more out of the remaining 9, probability = 9C4 / 10C5 = 1/2.