a) The probability of the impossible event equals ......
(a) \( \emptyset \)
(b) zero
(c) \(\frac{1}{2}\)
(d) 1
b) The probability of the certain event equals ......
(a) zero
(b) \( \emptyset \)
(c) 1
(d) -1
MR/Nasef.N
c) If A and B are two mutually exclusive events, then \( P(A \cap B) = \) ......
(a) \( \emptyset \)
(b) \( P(A) \)
(c) \( P(B) \)
(d) zero
d) If A and B are two mutually exclusive events, then \( P(A \cup B) = \) ......
(a) \( P(A) \)
(b) \( P(B) \)
(c) \( P(A \cap B) \)
(d) \( P(A) + P(B) \)
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