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Question
If P (A) and P (not A) are complementary events and P (A) = 0.15, then P (not A) = ?
Options
0.35
Cannot be determined
0.85
0.3
MCQ
Solution
0.85
Explanation:
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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