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D The number of eyelashes of the bottom eyelid of a human is approximately normal...

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D The number of eyelashes of the bottom eyelid of a human is approximately normal with a standard deviation of 1 2 eyelashes The original data on the actual mean of the number of eyelashes was lost A random sample of 32 human lower eyelids gives the sum of eyelashes as 2 480 and a sum of the squares of the eyelashes as 225 200 Find a 95 confidence interval for the mean of the number of eyelashes on the lower eyelids of humans

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