Find the probability that a person in china

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According to the WHO MONICA Project the mean blood pressure for people of china is 128 mmHg with a standard deviation pf 23mmHg (kuulasmaa, Hense & Tolonen,1998). Assume that blood pressure is normally distributed.

a. state the random variable

b. Find the probability that a person in china has blood pressure of 135mmHg or more

c. Find probability that a person in china has blood pressure of 141 mmHg or less.

d. Find the probability that a person in china has blood pressure between 120-125 mmHg.

e. Is it unusual for a person in china to have a blood pressure of 135 mmHg? why or why not?

f. What blood pressure do 90% of all people in china have less than?

Reference no: EM132464117

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