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    Length of the Earthworm

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    The lengths of adult earthworms are normal with mean 8.6cm. and standard deviation 1.6cm. 40 adult earthworms are chosen at random. Approximate the probability that at lease 18 of them are less than 4.5cm.long.

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    https://brainmass.com/statistics/descriptive-statistics/length-earthworm-2675

    Solution Summary

    The solution discusses the length of the earthworm and the standard deviation.

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