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A World Health Organization study found that in Canada, the average systolic blood pressure is 121 and the standard deviation is 16. A reading above 140 is labeled as high.

a.What is the z-score for a BP of 140?
b.Assuming normality, what percentage of Canadians has high BP?
c.What proportion of Canadians has a BP reading between 100 and 140?
d.Find the 90th percentile of BP readings.
e.Statistically speaking what is a plausible range of values that we could expect to see 95% of time in the population.

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  • Category:- Statistics and Probability
  • Reference No.:- M9115571

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