In engineering and product design, it is important to considerthe weights of peo
ID: 2918702 • Letter: I
Question
In engineering and product design, it is important to considerthe weights of people so that airplanes or elevators aren'toverloaded. Based on data from the National Health Survey, assumethe weight of adult males in the US follows a normal distributionwith a mean weight of 172 pounds andstandard deviation of 27 pounds.c. If 8 different US adult males arerandomly selected from the population above, what is theprobability that their sample mean weight will begreater than 180 pounds? Give your answer to the nearest hundredth.Remember that probabilities are numbers between 0 and 1.
d. If 32 different US adult males arerandomly selected from the population above, what is theprobability that their sample mean weight will be greater than 180pounds? Give your answer to the nearest hundredth. Remember thatprobabilities are numbers between 0 and 1.
Explanation / Answer
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