Let p be a probability function on set S, where S = (a 1 ,
MATHEMATICS
JAMB 1995
Let p be a probability function on set S, where S = (a1, a2, a3, a4). Find P(a1) if P(a2) = \(\frac{1}{3}\), p(a3) = \(\frac{1}{6}\) and p(a4) = \(\frac{1}{5}\)
- A. \(\frac{7}{3}\)
- B. \(\frac{2}{3}\)
- C. \(\frac{1}{3}\)
- D. \(\frac{3}{10}\)
Correct Answer: D. \(\frac{3}{10}\)
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