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    Probability: Vehicle Type

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    Vehicle type Lower Class Middle Class Upper Class Total
    Toyota Sienna 3 53 71 127
    Honda Odyssey 2 34 77 113
    Dodge Grand Caravan 62 11 7 80
    Total 67 98 155 320

    A. If we select one person at random, what is the probability that person drives a Toyota Sienna?

    B. If we select one person at random, what is the probability that person is in the lower or upper class?

    C. If we select a person at random, what is the probability that person is in the upper class or drives a Dodge Grand Caravan?

    D. If we select two people at random, what is the probability that both of them drive a Toyota Sienna and are from the middle class?

    See the attachment.

    © BrainMass Inc. brainmass.com June 4, 2020, 12:16 am ad1c9bdddf
    https://brainmass.com/statistics/probability/probability-vehicle-type-328243

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    Solution Preview

    Please see the attachment.

    Answer

    P (the person drives a Toyota Sienna) = f/n

    = 127/320

    = 0.396875

    B. If we select one person at random, what is the probability that person is in the lower or upper class?

    Answer

    Let A and B be the events that the person is in the lower and upper class respectively. Then,

    P (the person is in the lower or upper class) = P ...

    Solution Summary

    The solution provides step by step method for the calculation of probabilities. Formula for the calculation and Interpretations of the results are also included.

    $2.19

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