Two groups of male students cast their vote on a particul...
Two groups of male students cast their vote on a particular proposal. The results are as follows:
In favor | Against | |
Group A | 128 | 32 |
Group B | 96 | 48 |
If a student is chosen at random, what is probability that he is against the proposal?
3/19
4/19
5/19
9/19
10/19
Correct answer is C
Probability that the student is against the proposal
= 32+48128+32+96+48
= 80304
= 519
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