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Calculate the appropriate disease frequency rate. Show your work. The cumulative incidence rate in a population of 100,000 people where 9 new cases of disease were reported within 1 year. The prevalence of a chronic disease on November 1st where 9 initial cases were found in September with an additional 45 cases reported in October of a small city with a population of 75,000 people. The relative risk of death from exposure A if the mortality rate in the exposed group is 60 deaths per 1000 person-years and the mortality rate in the unexposed group is 20 per 1000 person-years.
the mass of a species of shrew is approximately normally distributed with a mean of 10 grams and a standard deviation
Define correlation. Then give an example of a misleading correlation and an example of a meaningful correlation. With this describe the relationship between correlation and causation.
What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?
What is the probability that a consumer selected at random purchased the same number or more products than before?
Identify the null hypothesis, alternative hypothesis, test statistic, p-value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.
Without performing any calculations, will the interval increase, decrease or stay the same? Which of the values in the formula will change?
Survey on What do you think is the biggest problem facing education today. One problem with exit polls may be that the wrong "key precincts" were chosen.
Describe the optimal solution to a linear programming problem. comprise the following constraints from a two -variable linear program.
makers of generic drugs must show that they do not differ significantly from the reference drugs they imitate. one
with sample standard deviation s=0.6. Use a 5% level of significance to test the claim that the drug has changed(either way) the mean pH level of the blood.
Construct a 98% confidence interval for the population mean and interpret the result (round margin of error E to the nearest dollar).
Iit is known that signal change in this brain area is normally distributed with mean of 35 and standard deviation of 10. By using .01 level, what must researcher conclude?
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