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According the the WHO MONICA project the mean systolic blood pressure for people in China is 128 mmHg with a std deviation of 23 mmHg.

According the the WHO MONICA project the mean systolic blood pressure for people in China is 128 mmHg with a std deviation of 23 mmHg. Assume that systolic blood pressure is normally distributed.

1) True of False: The random varibale x defines the systolic blood pressure of a person in China

2) Find the probability that a person in china has a systolic blood pressure of 135 mmhg or more

3) find the probability that a person in China has a systolic blood pressure of 141 mmHg or less

d) find the probability that a person in china has a systolic blood pressure between 120 and 125 mmHg

e) what systolic blood pressure for 90% of all people in china have less than?

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