Question: =+b. Suppose that the sample size had been 100 instead of 1000, and that 47 thought that the movie quality was getting worse (so that

=+b. Suppose that the sample size had been 100 instead of 1000, and that 47 thought that the movie quality was getting worse (so that the sample proportion is still .47).

Based on this sample of 100, is there convincing evidence that fewer than half of adult Americans believe that movie quality is getting worse? Use a significance level of .05.

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