a) State the random variable. Select an answer b) Find the probability that a randomly selected person in China has a blood pressure of 92 mmHg or more. c) Find the probability that a randomly selected person in China has a blood pressure of 127.1 mmHg or less.
a) State the random variable. Select an answer b) Find the probability that a randomly selected person in China has a blood pressure of 92 mmHg or more. c) Find the probability that a randomly selected person in China has a blood pressure of 127.1 mmHg or less.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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please do A through G. all parts come from one question, thanks!
Transcribed Image Text:According to the WHO MONICA Project the mean blood pressure for people in China is 128 mmHg with a
standard deviation of 23 mmHg. Assume that blood pressure is normally distributed.
Round the probabilities to four decimal places.
It is possible with rounding for a probability to be 0.0000.
a) State the random variable.
Select an answer
b) Find the probability that a randomly selected person in China has a blood pressure of 92 mmHg or more.
c) Find the probability that a randomly selected person in China has a blood pressure of 127.1 mmHg or
less.
d) Find the probability that a randomly selected person in China has a blood pressure between 92 and 127.1
mmHg.
e) Find the probability that randomly selected person in China has a blood pressure that is at most 70.5
mmHg.
f) Is a blood pressure of 70.5 mmHg unusually low for a randomly selected person in China?
Why or why not?
Select an answer
g) What blood pressure do 41% of all people in China have less than?
Round your answer to two decimal places in the first box.
Put the correct units in the second box.
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