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A researcher is evaluating the effect of a new growth hormone. It is known that regular adult rats weigh an average of 400 grams, with a standard...

A researcher is evaluating the effect of a new growth hormone. It is known that regular adult rats weigh an average of 400 grams, with a standard deviation of 20 grams.


How probable is it that a randomly selected rat weighs less than 418 grams?

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P (x < 418)... View the full answer

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