Use the Following Information to Answer Questions (12)-(15)

question 33

Multiple Choice

Use the following information to answer questions (12) -(15) . Many couples believe that it is getting too expensive to host an "average" wedding in the United States. According to a statistics study in the U.S., the average cost of a wedding in the U.S. in 2014 was $25,200. Recently, in a random sample of 35 weddings in the U.S. it was found that the average cost of a wedding was $24,224 with a standard deviation of $2,210.
-Which is the best interpretation of a 95% confidence interval for the sample mean.?

• A)The 95% confidence interval means that we are 95% confident that the sample mean is between the low and high interval values.
• B)The 95% confidence interval means that there is a 95% probability that the population mean is between the low and high interval values.
• C)The 95% confidence interval means that we are 95% confident that the population mean is between the low and high interval values.
• D)The 95% confidence interval means that there is a 95% probability that the sample mean is between the low and high interval values.

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