Question: ( 3 ) Suppose in a study, a random sample of 4 0 0 Columbia residents are asked about whether they support constructing light rail

(3) Suppose in a study, a random sample of 400 Columbia residents are asked about whether they support constructing light rail in Columbia SC.25% of respondents answered "Yes". How confident do you think the "Yes" rate in Columbia SC will be between 20% and 30%?
( 3 ) Suppose in a study, a random sample of 4 0

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