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.   14 What is the probability that the sample mean is less than 195? a 0.1501 b 0.1154 c 0.0888 d 0.0683

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Chapter1: Combinatorial Analysis
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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.

 

14 What is the probability that the sample mean is less than 195?
a 0.1501
b 0.1154
c 0.0888
d 0.0683
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