(Answered) Difference between proportions

Statistics

A post survey of 1,068,000 students taking a standarized test revealed that 9.8% of the students were planning on studying engineering in college. In a recent survey of 1,476,000 students taking the SAT 9.2% of the students were planning to study engineering construct a 95% confidence interval for the difference between proportions p1-p2 by using the following inequality assume the samples are random and independent.

The confidence interval is ?

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