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A World Health Organization study (the MONICA project) of health in various countries reported that in Canada, systolic blood pressure readings have a mean of

A World Health Organization study (the MONICA project) of health in various countries reported that in Canada, systolic blood pressure readings have a mean of 121 and a standard deviation of 16. The systolic blood pressure values have a bell-shaped distribution. Use the empirical rule to answer the following questions.

a.) What interval contains the middle 68% of systolic blood pressure values?

b.) What interval contains the about middle 95% of systolic blood pressure values?

c.) What interval contains the middle 99.7% of systolic blood pressure values?

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