Question: I need assistance figuring out the question marks below. Construct a confidence interval for p 1 minus p 2 at the given level of confidence.

I need assistance figuring out the question marks below.

Construct a confidence interval for p 1 minus p 2 at the given level of confidence.

x1= 356, n1 = 504, x2 =443, n2 = 576, 90% confidence.

The researchers are 90% confident the difference between the two population proportions, p1 - p2, is between ? and ?

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