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    10.The number of cars arriving at Joe Kelly's oil change and tune-up place during the last 200 hours of operation is observed to be the following:

    Number of cars arriving Frequency
    3 or less 0
    4 10
    5 30
    6 70
    7 50
    8 40
    9 or more 0

    Determine the probability distribution of car arrivals.

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    Solution Preview

    There appears to be a typo in your table: there is a "0" in the "number of cars arriving" column, which should actually be a 5: the frequency of the arrival of 5 cars is 30.

    In order to solve your problem, we need to find the "relative frequency" of each event. We can find this simply dividing the ...

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