Which of the following statements is always true? A) −1 ≤ P(E_i) ≤ 1 B) P(A) = 1 − P(A^c) C) P(A) + P(B) = 1 D) both P(A) = 1 − P(A^c) and P(A) + P(B) = 1

Name: Which of the following statements is always true? A) −1 ≤ P(E i ) ≤ 1 B) P(A) = 1 − P(A c ) C) P(A) + P(B) = 1 D) both P(A) = 1 − P(A c ) and P(A) + P(B) = 1
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Question

Quizplus · Accepted Answer

The probability of an event A and its complement A^c always add up to 1, so P(A) = 1 − P(A^c) is always true.

Which of the Following Statements Is Always True