8
AssignmentMultiple Choice

Introduction to Confidence Intervals

Question 8 • CA-Statistics and Probability B

Use the confidence interval to evaluate this claim and select the true statement.

Answer
A
Yes, it is reasonable to assume this because we are 95% confident.
B
Yes, it is reasonable to assume this because another 95% confidence interval might contain 0.67.
C
No, it is not reasonable to assume this because there are only two choices and the proportion of adults who should prefer either is exactly equal.
D
No, it is not reasonable to assume this because 0.75 is above the upper boundary of the confidence interval.
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