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Gallup interviewed a random sample of 1,526 adults living in all 50 US states and the District of Columbia. Of the 1,526 adults, 779 thought

Gallup interviewed a random sample of 1,526 adults living in all 50 US states and the District of Columbia. Of the 1,526 adults, 779 thought the market conditions were good. What is the upper bound of a 95% confidence interval for the proportion of all adults who thought the market conditions were good?

about 0.485

about 0.51

about 0.535

None of the above

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