engineering mathematics MCQ #3990

A bag contains 5 red and 3 black balls. What is the probability that 2 balls drawn are of different colors?

engineering mathematics MCQ #3990

  1. Question 1

    Q1. A bag contains 5 red and 3 black balls. What is the probability that 2 balls drawn are of different colors?

    • A) 15 / 28
    • B) 13 / 28
    • C) 15 / 56
    • D) 13 / 56

    Answer: 15 / 28

    Explanation: P(different colors) = (C(5,1)*C(3,1)) / C(8,2) = 15 / 28. Using combination and probability formula.