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A population is normally distributed with mean 17.1 and standard deviation 1.3. (a) Find the intervals...

A population is normally distributed with mean 17.1 and standard deviation 1.3.

(a) Find the intervals representing one, two, and three standard deviations of the mean.

one standard deviation      (smaller value)
(larger value)
two standard deviations      (smaller value)
(larger value)
three standard deviations      (smaller value)
(larger value)


(b) What percent of the data lies in each of the intervals in part (a)? (Round your answers to two decimal places.)

one standard deviation      %
two standard deviations      %
three standard deviations    
Math   Statistics-And-Probability   
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