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If A and B are mutually exclusive events in some sample space S, and P(A) = 0.3 and P(B)= 0.5
find the probability that A occurs but B does not.
Solution
AS a and B are mututlly exclusive
therefore , P(A B) = 0
only A occurs not B
P(A - B) = P(a) - P(A B)
= 0.3 - 0
0.3 answer !!!!

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If A and B are mutually exclusive events in some sample space S, and.pdf

  • 1. If A and B are mutually exclusive events in some sample space S, and P(A) = 0.3 and P(B)= 0.5 find the probability that A occurs but B does not. Solution AS a and B are mututlly exclusive therefore , P(A B) = 0 only A occurs not B P(A - B) = P(a) - P(A B) = 0.3 - 0 0.3 answer !!!!