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Question: A cohort study is conducted to assess the association between clinical characteristics and the risk of stroke. The study involves n=1,250 participants who are free of stroke at the study start. Each participant is assessed at study start (baseline) and every year thereafter for five years. The following table displays data on hypertension status measured at baseline and hypertension status measured two years later.
2 Years: Not Hypertensive
2 Years: Hypertensive
Baseline: Not Hypertensive
850
148
Baseline: Hypertensive
45
207
a) Compute the prevalence of hypertension at baseline.
Prevalence = ________
b) Compute the prevalence of hypertension at 2 years.
c) Compute the cumulative incidence of hypertension over 2 years.
Incidence = ________
Micromedia offers computer training seminars on a variety of topics. In the seminars each student works at a personal computer, practicing the particular activity that the instructor is presenting.
Recall that an element a is called algebraic over a ring (or field) R if a is the root of some polynomial in R[x].
Two hours later, another bus started north from New York. If the buses went at the same rate of speed and were 352 kilometers apart at 2 p.m., what are the speeds of the buses?
Determine the domain of the average cost, in dollars, that you anticipate the average American family might be willing to pay for one gallon of white milk. ppendix f answers.
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Find the amount of material needed to create such logo.
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