Ask Question
22 August, 19:01

12 A box contains 5 blue balls, 3 black balls and 2

red bals of the same size. A ball is selected at

random from the box and then replaced. A second

ball is then selected Find the probability of

obtaining (a) two red balls. (b) two blue balls or

w black basic) one black ball and one red

palany order

+1
Answers (1)
  1. 22 August, 19:36
    0
    R = red, B=blue, Bl=black

    (a) p (R) X p (R) = 2/10 X 2/10 = 4/100 = 1/25

    (b) p (B) X p (B) = 5/10 X 5/10 = 25/100

    + +

    p (Bl) X p (R) = 3/10 X 2/10 = 6/100 = 37/100

    + +

    p (R) X p (Bl) = 2/10 X 3/10 = 6/100
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “12 A box contains 5 blue balls, 3 black balls and 2 red bals of the same size. A ball is selected at random from the box and then replaced. ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers