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A bag contains red, black and green identical balls. A ball is picked and replaced....

Mathematics
WAEC 1997

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
  • E. 4/25
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Correct Answer: Option E
Explanation

Prob(green ball) = 16/100

= 4/25

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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