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What is the systolic blood pressure that cuts off

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The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 120 millimeters of mercury (mmHg) and standard deviation of 24.

Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher. Stage 1 high BP is specified as systolic BP between 140 and 160.

Give your answers rounded to 4 decimal places.

a. What is the probability that an adult in the USA has stage 2 high blood pressure?

b. What is the probability that an adult in the USA has stage 1 high blood pressure?

c. Your doctor tells you you are in the 30th percentile for blood pressure among US adults. What is your systolic BP?

d. What is the systolic blood pressure that cuts off the top 2.5% of adults in the USA?

Reference no: EM132852830

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