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In a survey of 48 citizens, 36 registered strong disapproval with their government's economic leadership. In the previous month, the proportion of participants registering strong disapproval was 65%.

At the 95% confidence level and using a two-sided test, which of the following statements do these data support?
Source

There is not sufficient evidence to indicate that the proportion of participants registering strong disapproval has changed.
The proportion of participants registering strong disapproval has increased.
The proportion of participants registering strong disapproval has stayed the same.
None of the above

Statistics and Probability, Statistics

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