The ratio of fifth graders to sixth graders is 4 to 5. If one of the grade totals is 160,
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Answer:
Sample relative risk is 4.
Step-by-step explanation:
We are given the following in the question:
Group 1 of smokers: 10 out of 100 get lung cancer.
Group 2 of non-smokers: 5 out of 200 get lung cancer
Sample relative risk:
- It is the ratio of probability of an outcome in an exposed group to the probability of an outcome in an unexposed group.
Sample relative risk =
Thus, sample relative risk is 4.