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STALIN [3.7K]
3 years ago
7

P(A) = 0.50, P(B) = 0.30, and P(A and B) = 0.15. What is P(A or B)?

Mathematics
1 answer:
Alborosie3 years ago
7 0

P(A or B) = P(A) + P(B) - P(A and B)

P(A or B) = 0.5 + 0.3 - 0.15

P(A or B) = 0.80 - 0.15

P(A or B) = 0.65

The answer is B.

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