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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
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!

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. [Input box] c) Find the probability that a randomly selected person in China has a blood pressure of 127.1 mmHg or less. [Input box] d) Find the probability that a randomly selected person in China has a blood pressure between 92 and 127.1 mmHg. [Input box] e) Find the probability that a randomly selected person in China has a blood pressure that is at most 70.5 mmHg. [Input box] f) Is a blood pressure of 70.5 mmHg unusually low for a randomly selected person in China? Why or why not? [Input box] 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. [Input box] [Input box]
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. [Input box] c) Find the probability that a randomly selected person in China has a blood pressure of 127.1 mmHg or less. [Input box] d) Find the probability that a randomly selected person in China has a blood pressure between 92 and 127.1 mmHg. [Input box] e) Find the probability that a randomly selected person in China has a blood pressure that is at most 70.5 mmHg. [Input box] f) Is a blood pressure of 70.5 mmHg unusually low for a randomly selected person in China? Why or why not? [Input box] 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. [Input box] [Input box]
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