A basket contains 3 red and 1 white identical balls. A ball is drawn from
FURTHER MATHEMATICS
WAEC 2011
A basket contains 3 red and 1 white identical balls. A ball is drawn from the basket at random. Calculate the probability that it is either white or red.
- A. \(\frac{1}{3}\)
- B. \(\frac{1}{2}\)
- C. \(\frac{3}{4}\)
- D. 1
Correct Answer: D. 1
Explanation
P(white or red) = P(white) + P(red)
= \(\frac{3}{4} + \frac{1}{4}\)
= 1
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