Assume that the mean systolic blood pressure of normal adults is 120millimeters of mercury (mmHg) and the standard deviation is 5.6. Assume the variable is normally distributed. Round the answers to at least 4 decimal places and intermediate z-value calculations to 2 decimal places.Part: 0 / 30 of 3 Parts Complete Part 1 of 3 If an individual is selected, find the probability that the individual's pressure will be between 120 and 122.2mmHg.P(120<X<122.2)=

Solution: Let X be the systolic blood pressure of normal adults is normally distributed with mean…

Answered: Assume that the mean systolic blood…

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 22SGR

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Question

Assume that the mean systolic blood pressure of normal adults is

120millimeters

of mercury (

mmHg

) and the standard deviation is

5.6

. Assume the variable is normally distributed. Round the answers to at least

decimal places and intermediate

-value calculations to

decimal places.

Part: 0 / 3

0 of 3 Parts Complete

Part 1 of 3

If an individual is selected, find the probability that the individual's pressure will be between

120

and

122.2mmHg

.P(120<X<122.2)=

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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