Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; and eleven generally sell seven cars. Data Value (# cars) | Frequency | Relative Frequency | Cumulative Relative Frequency 3 | 14 | 0.22 | 0.22 4 | 19 | 0.29 | 0.51 5 | 12 | 0.18 | 0.69 6 | 9 | 0.14 | 0.83 7 | 11 | 0.17 | 1.00 Question number 2 What percent of salespersons sell at least 5 cars per week?
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This includes those who sell 5, 6, and 7 cars per week. From the data, we know that 12 salespersons sell 5 cars, 9 sell 6 cars, and 11 sell 7 cars. So, the total number of salespersons who sell at least 5 cars per week is 12 + 9 + 11 = 32. Show more…
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