Two events X and Y are such that \(P(X)=\frac{1}{3}, P(Y)=n\) and the probability of occurrence of at least one event is 0.8. If the events are independent, then the value of n is:
1
\(\frac{3}{10}\)
2
\(\frac{1}{15}\)
3
\(\frac{7}{10}\)
4
\(\frac{11}{15}\)