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1. The number of calories eaten for breakfast is normally distributed with a mean of 300...

1. The number of calories eaten for breakfast is normally distributed with a mean of 300 calories and a standard deviation of 60 calories.

a) Find the probability one person eats over 325 calories for breakfast?

b) Find the probability from a sample of 12 people they would eat on average over 325 calories for breakfast?

c) Why is your answer for a) more than the answer for b)?

d) Give an example of an interval that could have been used in parts a) and b) so that the answer for a) would have been less than the answer for b)

Math   Statistics-And-Probability   
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