josselyn5411 josselyn5411

14-06-2022
Mathematics

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If P(A)=0.3, P(B) = 0.5, and P(A and B) = 0.1, find P(A or B).

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jimthompson5910 jimthompson5910

14-06-2022

Answer: 0.7

Work Shown:

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

P(A or B) = 0.3 + 0.5 - 0.1

P(A or B) = 0.8 - 0.1

P(A or B) = 0.7

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