Question: Bob is a representative who sells small appliances such as blenders, coffee makers, and so forth. Let x = number of appliances Bob sells on a given day. Let f = frequency (number Of days) with which she sells x appliances. For a random sample of 360 days, Bob had the Following sales record.

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x : 0-2 3-5 6-8 12-14 15-17 18-20

f : 44 80 91 45 35 10

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Assume the sales record is representative of the populations of all sales.

A. Use the relative frequency to find P (x) for each class.

B. Use a histogram to graph the probability distribution of part (a).