Question

If PA. = 0.8, PB. = 0.3 and P(A|B) = 0.6, what is P(A and B)

Answer 1

p(A∩B) = 0.18

Explanation:

Formula :

`p\left( A|B\right) =(p\left( A\cap B\right) )/(p\left( B\right) )`

………………………………

⇒ p(A∩B) = p(B)×p(A/B)

⇒ p(A∩B) = 0.3 × 0.6

= 0.18