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Mathematics, 30.10.2019 20:31 astra

Aand b are two events.

let p(a) = 0.6, p(b) = 0.5 and p(a and b) = 0.2 .

which statement is true?

a. a and b are not independent events because p(a|b)≠p(a)

b. a and b are independent events because p(a|b)=p(a) and p(b|a)=p(b)

c. a and b are independent events because p(b|a)≠p(b) and p(a|b)≠p(a)

d. a and b are not independent events because p(a|b)=p(a) and p(b|a)=p(b)

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Aand b are two events.

let p(a) = 0.6, p(b) = 0.5 and p(a and b) = 0.2 .

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