Glucose measurements for fasting adults are normally distributed with a mean of about 84.5 milligrams per deciliter (mg/dL) and a standard deviation of 7.25 md/dL. If you randomly select a fasting adult, what is the probability that person's glucose measurement is:
a) less than 70?
b) between 72 and 82?
c) higher than 99?
Remember to show ALL work for finding the zscore AND what went into the calculator in normalcdf to get the final answer rounded
correctly to 3 significant digits
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