Gce Model Questions Vol1 2020 Mathematics Question 17
Practice objective / multiple choice question 17 from the 2020 Gce Model Questions Vol1 Mathematics examination.
A box contains red, blue and green marbles. The probability of drawing a red marble is twice the probability of drawing a blue marble, and the probability of drawing a green marble is 0.2. Two marbles are drawn with replacement. Given that at least one of the drawn marbles is red, find the probability that both marbles are red. Give your answer as a fraction in lowest terms.
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About This Question
This is Gce Model Questions Vol1 2020 Mathematics Question 17. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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