A bag contains red black and green identical ba... - WAEC Mathematics 1997 Question
A bag contains red, black and green identical balls. A ball is picked and replaced. The table shows the result of 100 trials. Find the experimental probability of picking a green ball.
A
16
B
21/25
C
1/3
D
4/21
correct option: e
Prob(green ball) = 16/100
= 4/25
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