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# exam 3.2.jpg - 19 Find 2 such that 93 of the standard...

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Unformatted text preview: 19. Find 2 such that 93% of the standard normal curve lies between --2 and z. 11. Find 2 such that 50% of the standard normal curve lies between —-z and z. 12) a 0.5205 f" I. 12. A person's blood glucose level and diabetes are closely related. Let x be a random variable measured in milligrams of glucose per deciliter of blood. After a 12 — hour fast, the random variable x will have a distribution that is approximately normal with a mean ,u = 85 and a standard deviation 0' = 25. After 50 years. these tend to increase. Find the probability that. an adult under 50 years of age after a 12 -— hour fast will have : a) x>60 W Aw—Aé'r- ?w. 2W. b) x<110 YW a»— c) 60<x<110 M 6374 ...
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