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Suppose 67% of all teenagers own a laptop and 29% of all teenagers own a laptop and a tablet. What is the probability that a teenager owns a tablet given that the teenager owns a laptop?
A) 19%
B) 38%
C) 43%
D) 96%

Respuesta :

the answer to your question is: B
event teenagers with a laptop A = 67%
event teenagers with both devices B = 29%
event teenagers with tablet C =?.

P(C|A) = B/A
= 29/67
= 0.43 probability which means 43 percent

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