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15 June, 06:00

In a survey, 80% of people own a smart phone, 40% of people own a tablet computer, and 25% of people own both. what is the probability that a person owns a tablet computer given that he or she owns a smart phone?

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  1. 15 June, 06:58
    0
    To get the probability of a single random event, this formula must be followed

    Probability = event/s / number of outcomes

    In this problem, the number of outcomes is 80% 40% and 25%. The event is that a person owns a tablet computer that owns also a smartphone.

    .8 +.4+.25 = 1.45 x 100 = 145%

    Probability =.25 / 1.45 = 0.1724 x 100 = 17.24%

    Therefore, the probability that a person owns a tablet computer and smartphone is 17.24%.
  2. 15 June, 09:20
    0
    25 % of people own a smart phone and a tablet computer. So, the probability that a person owns a tablet computer given that he or she owns a smart phone is the probability that this person has a tablet computer and a smart phone. 25% is 1/4 probability.
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