Homework Answers
a) Interval of one standard deviation:
(698 - 55) to (698 + 55)
643 to 753
b) Interval of two standard deviations:
(698 - 2*55) to (698 + 2*55)
588 to 808
c) Interval of three standard deviations:
(698 - 3*55) to (698 + 3*55)
533 to 863
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