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6 March, 14:10

Given p (a) = 0.40, p (b) = 0.50. if a and b are independent, what is the value of p (a intersection b) ?

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  1. 6 March, 14:19
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    Draw a Venn diagram to better understand. However:

    P (A) = 0.4

    P (B) = 0.5

    We have to calculate their intersection P (A∩B). This is a conditional probability, then

    P (A∩B) = P (A) x P (B) = 0.4 x 0.5. So P (A∩B) = 0.2
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