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NORMAL PROBABILITY DISTRIBUTION Medicine: Blood Glucose: A person's blood glucose level and diabetes are closely related....

NORMAL PROBABILITY DISTRIBUTION

Medicine: Blood Glucose: A person's blood glucose level and diabetes are closely related. Let x be a random variable measured in milligrams of glucose per deciliter (1/10 of a liter) of blood. After a 12-hour fast, the random variable x will have a distribution that is approximately normal with mean= 85 and standard deviation= 25. Note: After 50 years of age, both the mean and standard deviation tend to increase. What is the probability that, for an adult (under 50 years old) after a 12-hour fast:

a) x is more than 60?

b) x is less than 110?

c) x is between 60 and 110?

d) x is greater than 140?

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