In a recent study, the CDC reported that diastolic blood pressures of adult women in the United States are normally distributed with a mean of 81 and a standard deviation of 9.25.

A. What is the probability that a randomly chosen woman in the United States has a diastolic blood
pressure reading of more than 77?

B. What is the probability that a randomly chosen woman in the United States has a diastolic blood
pressure reading between 74 and 99?

40. Is it unusual for a woman to have a diastolic blood pressure reading of less than 60? Use statistical
formulas to substantiate your answer. Then answer the question with a complete sentence or two.