Following normal distribution with mean-standard deviation

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Diastolic blood pressure are assumed to follow a normal distribution with a mean of 85 and a standard deviation of 12.

a. What proportion of people have diastolic blood pressure less than 90?

b. What proportion have diastolic blood pressures between 80 and 90?

c. If someone has a diastolic blood pressure of 100, what percentile does this represent?

Reference no: EM13102753

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