90% confidence interval for the following sample data:

You obtain 310 successes in a sample of sizen

1

=

323

n1=323

from the first population. You obtain 298 successes in a sample of sizen

2

=

745

n2=745

from the second population.

What is the confidence interval for the difference of the two proportions? (Report answer accurate to two decimal places.)

1

p

2

p1-p2

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