Average weight of males in the age bracket of 20-39 is 198.5 pounds.  Assume population standard deviation of weight of this group of males is 16 pounds. You obtain a random sample of 30 males in this age bracket.   15 In repeated samples of size n = 30 males from this population, the fraction of sample means that fall within 194 and 203 is______.   a 0.7911               b 0.8327               c 0.8766               d 0.9227

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