Question

Asked Nov 4, 2019

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The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 120 and standard deviation of 23 .

Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher.

Your doctor tells you you are in the 30th percentile for blood pressure among US adults. What is your systolic BP? Round to 2 decimal places.

Step 1

**Given data**

Mean = 120

Standard Deviation = 23

Calculating the z-value corresponding to 30th percentile i.e...

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