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14 May, 21:56

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%

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Answers (2)
  1. 14 May, 22:05
    0
    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
  2. 14 May, 22:19
    0
    The answer to your question is: B
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