If P(A) and P(not A) are complementary events and P(A) = 0.15, then P(not A) = ? Options: A . &nbsp0.35 B . &nbsp0.3 C . &nbsp0.85 D . &nbspCannot be determined

If P(A) and P(not A) are complementary events and P(A) = 0.15, then P(not

Question

If P(A) and P(not A) are complementary events and P(A) = 0.15, then P(not A) = ?

Options:

A . 0.35

B . 0.3

C . 0.85

D . Cannot be determined

Answer: Option C
:
C
Given, P (A) = 0.15
As, P(A) and P(not A) are complementary events, P(A) + P(not A) = 1
P (not A) = 1 – P (A) = 1 – 0.15 = 0.85

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