Statement of a problem № m40412


A stem-and-leaf plot for the numbers of touchdowns scored by all 120 NCAA Division I Football Bowl Subdivision teams is shown. Find the probability that a team chosen at random scored (a) At least 51 touchdowns, (b) Between 20 and 30 touchdowns, inclusive, (c) More than 72 touchdowns. Are any of these events unusual? Explain.

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