engineering mathematics MCQ #3996

In a box, there are 5 red, 4 blue, and 3 green balls. What is the probability of drawing a red ball first and then a blue ball?

engineering mathematics MCQ #3996

  1. Question 1

    Q1. In a box, there are 5 red, 4 blue, and 3 green balls. What is the probability of drawing a red ball first and then a blue ball?

    • A) 5 / 33
    • B) 5 / 12
    • C) 20 / 132
    • D) 1 / 6

    Answer: 5 / 33

    Explanation: P(red then blue) = P(red) * P(blue) = (5/12) * (4/11) = 5 / 33. Using multiplication rule.