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Mathematics, 24.03.2020 23:05 cannan
A marketing manager samples 150 people and finds that 87 of them have made a purchase on the internet within the past month. a. Estimate the proportion of people who have made a purchase on the internet within the past month, and find the uncertainty in the estimate. b. Estimate the number of people who must be sampled to reduce the uncertainty to 0.03.
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