Question: . A study takes a SRS from a population of full term infants. What is the sd of birthweights in this population is 2 LBS.

. A study takes a SRS from a population of full term infants. What is the sd of birthweights in this population is 2 LBS. calulate 95% configdence intervals for u for samples

a n=81 and 6.1 lbs

b n=36 and 7.0 lbs

c n=9 and 5.8 lbs

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