Commute times. Thirty-two people were chosen at random from among the employees of a large corporation. Their commute times (in hours) from home to work were recorded in the following table:
(A) Construct a frequency and relative frequency table using a class interval width of
starting at
(B) Construct a histogram.
(C) What is the probability that a person chosen at random from the sample will have a
commuting time of at least an hour? Of at most half an hour?
(D) Construct a histogram using a graphing calculator
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