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6. Normal Distribution and Continuous Random Variables
Standard Normal Distribution
6. Normal Distribution and Continuous Random Variables

Standard Normal Distribution: Videos & Practice Problems

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Problem 68Multiple Choice

A sightseeing helicopter carrying tourists has recently crashed. The specifications of the helicopter show that it has a maximum allowable passenger load of 1200 lb1200~\(\text{lb}\). It was assumed that the mean weight of a passenger is 142 lb142~\(\text{lb}\). The average weight of a tourist is normally distributed with a mean of 175.2 lb175.2~\(\text{lb}\) and a standard deviation of 36.4 lb36.4~\(\text{lb}\). What is the greatest number of tourists that can safely board the helicopter, assuming each weighs 175.2 lb175.2~\(\text{lb}\)?