Statistics Solutions

[Steps Shown] Warming to Russia. A recent ABCNEWS Pot! found I at Americans' now have relatively warm feelings toward Russia, a former adversary. The poll,

Question: Warming to Russia. A recent ABCNEWS Pot! found I at Americans' now have relatively warm feelings toward Russia, a former adversary. The poll, conducted by tele- phone among a random sample of 1043 adults, found that 647 of those sampled consider the two countries friends. The margin of error for the poll was plus or minus 2.9 percentage points (for a 0.95 confidence level). Use this in- formation to obtain a 95% confidence interval for the percentage of all Americans who consider the two countries friends.

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