Suppose that the population of weights of

Suppose that the population of weights of airline passengers is normally distributed with a mean 150 lbs. and standard deviation 25 lbs. A certain plane has a load capacity of 7800 lbs.(a) What is the probability that a flight of 50 passengers will result in overload?(b) If we wish to reduce the chance of overload to 1/100, how much must the capacity be increased?

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