📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      Bag 1: 2 red, 3 blue. Bag 2: 4 red, 1 blue. One ball

      from Bag 1 is put into Bag 2, then one is drawn from Bag 2. Find probability it’s red.
      A 10/11 Correct Answer Incorrect Answer
      B 12/13 Correct Answer Incorrect Answer
      C 11/15 Correct Answer Incorrect Answer
      D 21/20 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Case 1: Red transferred → P=2/5×(5/6)=10/30 Case 2: Blue transferred → P=3/5×(4/6)=12/30 Total = 22/30 = 11/15.

      Practice Next
      ask-question