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What is the standard deviation of the parent distribution

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The amount of salt in a bag of potato chips is normally distributed with a mean of 1.2 g. You sample 64 bags and the mean is 1.4 g. If the probability that the mean amount of salt for a sample of 64 bags would be this extreme is 0.0548, what is the standard deviation of the parent distribution?

Reference no: EM132394877

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