Unknown bag total and a complement
Unknown bag total and a complement
Secondary 2
3 marks
TGM Original Questions
A bag contains 8 red balls, 9 yellow balls and some blue balls. The probability of drawing red is \(\frac{2}{9}\). One ball is selected at random.
- Find the total number of balls.[1]
- Find the probability of not drawing blue.[2]
Solution:
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Answer:(a) \(36\) (b) \(\frac{17}{36}\).
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