Suppose the probability of an event occurring is P (A), and the probability of the event not occurring is P (A'). If P (A) = s and P (A') = t which of the following equations must be true? A. t = 1-s

B. s = 1+t C. s = t-1 D. t = s+1!

Question

Mathematics

Alvin Vaughan

13 June, 06:08

Suppose the probability of an event occurring is P (A), and the probability of the event not occurring is P (A'). If P (A) = s and P (A') = t which of the following equations must be true? A. t = 1-s

B. s = 1+t C. s = t-1 D. t = s+1!

+1

Answers (1)

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Leon · Answer 1

The correct answer is A) t = 1-s.

The probability of the complement of an event is the probability of the event subtracted from 1; in other words

P (A') = 1 - P (A)

Since P (A') = t and P (A) = s,

t = 1-s

Suppose the probability of an event occurring is P (A), and the probability of the event not occurring is P (A'). If P (A) = s and P (A') = t which of the following equations must be true? A. t = 1-sB. s = 1+t C. s = t-1 D. t = s+1!

Suppose the probability of an event occurring is P (A), and the probability of the event not occurring is P (A'). If P (A) = s and P (A') = t which of the following equations must be true? A. t = 1-s

B. s = 1+t C. s = t-1 D. t = s+1!