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In a recent poll, 1064 randomly selected adults were asked whether they approve of labor unions; 58% said yes. a. In 1936, about 62%

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In a recent poll, 1064 randomly selected adults were asked whether they approve of labor unions; 58% said yes. a. In 1936, about 62% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1936? b. In 1963, roughly 61% of adults approved of labor unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the percentage of adults who approve of labor unions has decreased since 1963? Click here to view page 1 of the table of areas under the standard normal curve. Click here to view page 2 of the table of areas under the standard normal curve.

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