I. (I pt.) Suppose a poll has been conducted on Americans\' favorable attitudes

Question

I. (I pt.) Suppose a poll has been conducted on Americans' favorable attitudes towards a certairn issue. If it is reported that Americans are 56%+4% in favor of the issue, which of the following is not a possible value represented within the margin of error? a. 51% b. 53% C. 56% d. 60% (1 pt) Suppose we have a 95% confidence interval of 12.23 and 16.75, what does this mean? a. We are 95% confident that the true population mean is between 12.23 and 16.75. b. We are 95% confident that the true population mean is either 12.23 or 16.75. c. The average of 12.23 and 16.75 is probably the true population mean. 2. d. We are at least 95% certain that neither a Type I nor a Type II error was made.

Explanation / Answer

Question 1:

The range is given as 56%-4% =52% to 56%+4%=60%

the values that dont fall in this range are the answer. Here it is 51% that's not in the range. Thus answer is A

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