In a recent scientific sample of about 900 adult Americans. 70percent favor stri

Question

In a recent scientific sample of about 900 adult Americans. 70percent favor stricter gun control of assault weapons, with a margin of error of plusminus 4 percent for a 95 percent confidence interval. Therefore, the 95 percent confidence interval equals 66 to 74 percent. Indicate whether the following interpretations are true or false: (a) The interval from 66 to 74 percent refers to possible values of the sample percent. (b) The true population percent is between 66 and 74 percent. (c) In the long run, a series of intervals similar to this one would tail to include the population percent about 5 percent of the time. (d) We can be reasonably confident that the population percent is between 66 and 74 percent.

Explanation / Answer

d) We can be reasonably confident that the population percent is between 66 and 74 percent.

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