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Question 93 In 2011, the Institute of Medicine (IOM), a non—proﬁt group afﬁliated with the sale“ one answer‘ US National Academy of Sciences, reviewed a study measuring bone quality 10 points and levels of vitamin-D

August 10, 2019/in Questions Uploads /by admin

Question 93 In 2011, the Institute of Medicine (IOM), a non—proﬁt group afﬁliated with the sale“ one answer‘ US National Academy of Sciences, reviewed a study measuring bone quality 10 points and levels of vitamin-D in a random sample from bodies of 675 people who died in good health. 8.5% of the 82 bodies with low vitamin-D levels (below 50 anI/ L) had weak
bones. Comparatively, 1% of the 593 bodies with regular vitamin-D levels had weak bones. Is a normal model a good ﬁt for the sampling distribution? A. A Yes, there are close to equal numbers in each group. B. A Yes, there are at least 10 people with weak bones and 10 people with strong bones in each
group. C. A No, the groups are not the same size. D. A No, there are not at least 10 people with weak bones and 10 people with strong bones in
each group.