Mathematics, 28.07.2020 03:01 luisgonz5050
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: 2
Mathematics, 21.06.2019 13:30
Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.
Answers: 1
Mathematics, 21.06.2019 14:20
Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s
Answers: 1
Mathematics, 21.06.2019 15:00
Consider the diagram. which line segment has the same measure as st? rx tx sr xs
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Mathematics, 21.06.2019 17:00
The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?
Answers: 1
Ginkgo for Dementia The herb ginkgo biloba is commonly used as a treatment to prevent dementia. In a...
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