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March 25, 2017

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A study found that 81% of households
in the United States have computers. Of those 81%, 92% have Internet
access. Find the probability that a U.S. household selected at random has a
computer and has Internet access.

  • statistics - ,

    0.745

  • Statistics - ,

    P(A and B) = P(A) * P(B/A)
    = (0.81)* (0.92)
    = 0.745

    The probability that a U.S. household selected at random has a
    computer and has Internet access is 0.745

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