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Author Question: If P(A) = 0.35, P(B) = 0.55, and P(A and B) = 0.1, find P(A or B). ... (Read 68 times)

Garrulous

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If P(A) = 0.35, P(B) = 0.55, and P(A and B) = 0.1, find P(A or B).

Question 2

Events A and B are defined on a common sample space. If P(A) = 0.20, P(B) = 0.40, and P(A or B) = 0.56, find P(A and B)



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ttt030911

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Answer to Question 1

P(A or B) = P(A) + P(B)  P(A and B) = 0.35 + 0.55  0.1 = 0.80

Answer to Question 2

0.04




Garrulous

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Reply 2 on: Jul 24, 2018
Wow, this really help


Missbam101

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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