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Mathematics, 04.11.2020 01:50, jackbruski
Distribution
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Score: 0 of 2 pts
4 of 7 (3 complete)
HW Score: 20.83%, 5 of 24 p
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As part of a research project, the blood pressures of 2000 patients in a hospital are recorded. The systolic blood pressures (given in millimeters) have
an approximately normal distribution with mean y = 122 and standard deviation o = 15. Use the 68-95-99.7 rule to complete the following.
(a) Estimate the number of patients whose blood pressure was between 92 and 167 millimeters.
(b) Estimate the number of patients whose blood pressure was between 92 and 137 millimeters.
Answers: 2
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