engineering mathematics MCQ #4016

A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random, find the probability that 2 are red and 1 is blue.

engineering mathematics MCQ #4016

  1. Question 1

    Q1. A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random, find the probability that 2 are red and 1 is blue.

    • A) (5C2 * 3C1) / 8C3
    • B) (5C2 + 3C1) / 8C3
    • C) (5P2 * 3P1) / 8P3
    • D) (5C2 * 3C1) / 8P3

    Answer: (5C2 * 3C1) / 8C3

    Explanation: Use combination formula to find the total number of ways to draw 3 balls and the number of ways to draw 2 red and 1 blue.