A past survey of 1,068,000 students taking a standardized test revealed that 7.8% 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 betee proportions p- P2 by using the following inequality. Assume the samples are random and independent - (9-1) + (d- a) > d - td> The confidence interval is
A past survey of 1,068,000 students taking a standardized test revealed that 7.8% 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 betee proportions p- P2 by using the following inequality. Assume the samples are random and independent - (9-1) + (d- a) > d - td> The confidence interval is
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Transcribed Image Text:A past survey of 1,068,000 students taking a standardized test revealed that 7.8% 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.
P191
P292
n1
<P,-P2< (P1-P2) +ze
n2
The confidence interval is
P191
P292
P1-P2
(Round to three decimal places as needed.)
n1
n2
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