Mathematics, 18.07.2020 17:01 genyjoannerubiera
Batches of a chemical contain random amounts of lead with a mean value of 6.0 mg and a standard deviation of 2.0 mg. Of 50 batches are prepared, the probability that their average amount of lead is greater than 6.5 mg is:
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Batches of a chemical contain random amounts of lead with a mean value of 6.0 mg and a standard devi...
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