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Mathematics, 04.03.2021 04:00 csorensen
At birth, babies average 7.8 pounds, with a standard deviation of 2.1 pounds. A random sample of 34 babies
born to mothers living near a large factory that may be polluting the air and water shows a mean birth weight
of only 7.2 pounds. Is that unusually low?
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At birth, babies average 7.8 pounds, with a standard deviation of 2.1 pounds. A random sample of 34...
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