35. chebychey's theorem old faithful is a famous geyser at yellowstone national park. from a sample with 32. the mean duration of old faithful's eruptions is 3.32 minutes and the standard deviation is 1.09 minutes. using chebycher's theorem, determine at least how many of the eruptions lasted between 1.14 minutes and 5.5 minutes. (source: yellowstone national d 36. chebycher's theorem the - 577