Let Abe an event on a sample space . For each of the following statements, say whether

Let Abe an event on a sample space Ω. For each of the following statements, say whether or not it is written in correct notation.

a. A ∪ A = Ω

b. P(A ∪ A) = 1

c. P(A) ∪ P(A) = Ω

d. P(A) + P(A) = 1

e. P(A) ∪ P(A) = 1