Q1. A simple random sample of size 300 is taken from a population of more than 300,000 adults. The average weight of the sampled people is 150 pounds and the SD of their weights is 30 pounds. a) The average weight of the population is estimated to be pounds _________; the SE for this estimate is about ________ pounds. b) Compute an approximate 99%-confidence interval for the average weight in the population.
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