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) = \(\frac{1}{5}\)
- \(\frac{7}{3}\)
- \(\frac{2}{3}\)
- \(\frac{1}{3}\)
-
\(\frac{3}{10}\)
