Mathematics

Two groups of male students cast their vote on a particular proposal. The results are…

Two groups of male students cast their vote on a particular proposal. The results are as follows:

 In favorAgainst
Group A12832
Group B9648

If a student is chosen at random, what is probability that he is against the proposal?

  • A.
    3/19
  • B.
    4/19
  • C.
    5/19
  • D.
    9/19
  • E.
    10/19
Correct Answer: Option C
Explanation

Probability that the student is against the proposal

= (frac{32 + 48}{128 + 32 + 96 + 48})

= (frac{80}{304})

= (frac{5}{19})