Question
Suppose that the population of weights of airline passengers has mean 150 lbs. and standard deviation 25 lbs. A certain plane has a capacity of 7,800 lbs.
(a) What is the probability that a flight of 50 passengers will exceed capacity it?
(b) If we wish to reduce the chance of overload to 0.01, how much must the capacity be increased?
(a) What is the probability that a flight of 50 passengers will exceed capacity it?
(b) If we wish to reduce the chance of overload to 0.01, how much must the capacity be increased?