From a sample with n=36, the mean duration of a geyser's eruptions is 3.79 minutes and the standard deviation is 1.19 minutes. Using Chebychev's Theorem, determine at least how many of the eruptions lasted between 1.41 and 6.17 minutes.  At least_____ of the eruptions lasted between 1.41 and 6.17 minutes.  Simplify your answer

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