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Average Newborn Weights Narrative

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Average Newborn Weights Narrative
It is known that the birth weight of newborn babies in Canada has a mean of 3.20 kg with a standard deviation of 0.80 kg. Suppose we randomly sample 64 birth certificates and record the birth weights of these babies.
-Refer to Average Newborn Weights Narrative. What is the probability the sample mean birth weight as recorded on the birth certificates will be less than 3.125 kg?

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P( blured image < 3.125) = P(z <...

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