Question

In: Statistics and Probability

In a recent​ year, a poll asked 2447 random adult citizens of a large country how...

In a recent​ year, a poll asked 2447 random adult citizens of a large country how they rated economic conditions. In the​ poll, 18​% 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 17​%. Does the poll support this​ claim?

Find a 95​% confidence interval for the proportion of adults who rated the economy as​ Excellent/Good. Select the correct choice below and fill in any answer boxes within your choice.

Solutions

Expert Solution

i) Let p denotes the true proportion of citizens who felt the economy was in​ Excellent/Good shape.

Conclusion : There is not sufficient evidence to warrant the rejection of the claim that the percentage of citizens who felt the economy was in​ Excellent/Good shape was 17​%.

ii)


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