Let E, F, G be independent events with P(E) = 2/3, P(F) = 1/3, P(G) = 2/5. Find the following probabilities:
a- at least one of E, F, G occurs.
b- at most two of E, F, G occur.
c- exactly two of E. F. G occur.
d- E occurs given that only one of E, F, G occurs.
