ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!

    Question

    In a bag, there are 7 red balls, 5 black balls, and 9

    green balls. If two balls are selected at random, what is the likelihood of picking one red ball and one black ball?
    A 1/3 Correct Answer Incorrect Answer
    B 1/6 Correct Answer Incorrect Answer
    C 2/15 Correct Answer Incorrect Answer
    D 1/12 Correct Answer Incorrect Answer
    E 5/24 Correct Answer Incorrect Answer

    Solution

    Total number of balls in the bag = 7 + 5 + 9 = 21 Probability that a red ball and a black ball are drawn =┬а7C1┬а├Ч┬а5C1/21C2┬а= 7 ├Ч 5/210 = 1/6

    Practice Next
    More Probability Questions

    Relevant for Exams:

    ask-question