In a survey of 464 registered voters, 133 of them wished to see Mayor Waffleskate lose her next election. The Waffleskate campaign claims that no more than 29% of registered voters wish to see
Her defeated. Does the 98% confidence interval for the proportion support this claim? (Hint: you Should first construct the 98% confidence interval for the proportion of registered voters who wish To see Waffleskate defeated.)
A) Yes
B) No
C) The reasonableness of the claim cannot be determined.

Question

Quizplus · Accepted Answer

The 98% confidence interval for the proportion of registered voters who wish to see Waffleskate defeated is (0.25, 0.33). Since the upper bound of the confidence interval is less than 0.29, the Waffleskate campaign's claim is supported by the data.

In a Survey of 464 Registered Voters, 133 of Them