Blood pressure According to a health informa- tion website, the distribution of adults' diastolic blood pressure (in millimeters of mercury) can be modeled by a Normal distribution with mean 70 and standard deviation 20. A diastolic pressure above 100 for an adult is classified as very high blood pressure. According to the same health information website, a diastolic blood pressure between 80 and 90 indicates borderline high blood pressure. About what perfect of adults have borderline high blood pressure?

Blood pressure According to a health informa- tion website, the distribution of adults' diastolic blood pressure (in millimeters of mercury) can be modeled by a Normal distribution with mean 70 and standard deviation 20. A diastolic pressure above 100 for an adult is classified as very high blood pressure. According to the same health information website, a diastolic blood pressure between 80 and 90 indicates borderline high blood pressure. About what perfect of adults have borderline high blood pressure?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 8PPS

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According to the same health information website, a diastolic blood pressure between 80 and 90 indicates borderline high blood pressure. About what perfect of adults have borderline high blood pressure?

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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