According to the web site www.torchmate.com, manhole covers must be a minimum of 22 in. in diameter,
Question:
a. What percentage of men will fit into the manhole?
b. Assume that the Connecticut Light and Power Company employs 36 men who work in manholes. If 36 men are randomly selected, what is the probability that their mean shoulder breadth is less than 18.5 in.? Does this result suggest that money can be saved by making smaller manholes with a diameter of 18.5 in.? Why or why not?
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