kimseokjin92
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events A and B are independent. Find the missing probability.
P(B)= 9/20 , P(A and B) = 9/100, P(A)= ?
answer in decimal form rounded to one decimal place

Respuesta :

dhiab

Answer:

Step-by-step explanation:

events A and B are independent:

P(A and B) = P(A)×P(B)

9/100= P(A)×9/20

P(A) = (9/100)/(9/20)

P(A) = (9/100) ×(20/9) =180/900

P(A) = 0.2

Answer: P(A) = 0.2 :D

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