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A hospital in a large city records the weight of every infant born in the hospital. The distribution of weights is normally shaped with a

A hospital in a large city records the weight of every infant born in the hospital. The distribution of weights is normally shaped with a mean of 7.5 lbs and a standard deviation of .5 lbs. What percentage of newborn infants in the hospital weigh between 6.1 and 7.1 lbs.?

21.19%

78.55%

20.93%

21.45%

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