Mathematics, 26.07.2021 22:20 layja20
Ginkgo for Dementia The herb ginkgo biloba is commonly used as a treatment to prevent dementia. In a study of the effectiveness of
this treatment, 1545 elderly subjects were given ginkgo and 1524 elderly subjects were given a placebo. Among those in the ginkgo
treatment group, 246 later developed dementia, and among those in the placebo group, 277 later developed dementia. We want to
use a 0.01 significance level to test the claim that ginkgo is effective in preventing dementia. Test the claim using a hypothesis test.
Given test Statistic z = -1.66
Write Hypothesis and Critical Value, do you Support or reject the claim.
Answers: 3
Mathematics, 21.06.2019 22:50, memester74
Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?
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Given abc find the values of x and y. in your final answer, include all of your calculations.
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There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds
Answers: 1
Ginkgo for Dementia The herb ginkgo biloba is commonly used as a treatment to prevent dementia. In a...
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