A World Health Organization study of health in various countries reported that in Canada, systolic blood pressure readings have a mean of 121 and a standard deviation of 16. A reading above 140 is considered to be high blood pressure. Complete parts a through d below. a. What is the z-score for a blood pressure reading of 140? z= 1.19 (Round to two decimal places as needed.) b. If systolic blood pressure in Canada hasa normal distribution, what proportion of Canadians suffers from high blood pressure? The proportion of Canadians with high blood pressure is 0.1170. (Round to four decimal places as needed.) c. What proportion of Canadians has systolic blood pressure in the range from 106 to 140? The proportion with systolic blood pressure between 106 and 140 is (Round to four decimal places as needed.)

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