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Mathematics, 28.11.2019 04:31 agreisha
In a recent year, a poll asked 2362 random adult citizens of a large country how they rated economic conditions. in the poll, 22% rated the economy as excellent/good. a recent media outlet claimed that the percentage of citizens who felt the economy was in excellent/good shape was 24%. does the poll support this claim? a) test the appropriate hypothesis. find a 99% confidence interval for the proportion of adults who rated the economy as excellent/good. check conditions. b) does your confidence interval provide evidence to support the claim? c) what is the significance level of the test in b? explain.
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