thusboi thusboi

28-02-2020
Mathematics

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For events A and B, suppose P(A) = 0.7 and P(A and B) = 0.28. Are A and B independent?

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goddessboi goddessboi

28-02-2020

Answer:

Yes

Step-by-step explanation:

Since P(A)=0.7 and P(A and B)=0.28, then P(B) must be 0.4 because 0.7*0.4=0.28.

Since P(A and B) is a combined probability, P(A) and P(B) are independent.

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