A doctor is interested in the proportion Americans that get…
A doctor is interested in the proportion Americans that get at least 3 hours of exercise per week. The doctor randomly selects 80 Americans and asks them how much exercise they get per week. 32 of those sampled exercised at least 3 hours per week. a. The population is [a]. b. The sample is [b]. c. Is this an observational study or a designed experiment? [c]
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