The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 118 millimeters of mercury (mmHg) and standard deviation of 19. 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. What is the probability that an adult in the USA has stage 2 high blood pressure?____________________ What is the probability that an adult in the USA has stage 1 high blood pressure?____________________ Your doctor tells you you are in the 30th percentile for blood pressure among US adults. What is your systolic BP?________________ mmHg What is the systolic blood pressure that cuts off the top 2.5% of adults in the USA?  ____________________mmHg

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