Question: Refer to Problem 14 a Determine a 98 confidence interval

Refer to Problem 14.
a. Determine a 98% confidence interval for the difference, p1 − p2, between the proportions of Maricopa County residents who thought that the state’s economy would improve over the next 2 years during the time of the first poll and during the time of the second poll.
b. Interpret your answer from part (a).

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  • CreatedAugust 13, 2015
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