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October 21, 2014

October 21, 2014

Posted by **Bettie** on Tuesday, April 16, 2013 at 3:46pm.

- Statistics help -
**MathGuru**, Tuesday, April 16, 2013 at 9:24pmUse a confidence interval formula for proportions. Here's one:

CI99 = p + or - (2.58)(√pq/n)

...where p = .206, q = 1 - p, and n = 165.

Plug the values into the formula and calculate.

I hope this will help get you started on the first part of your problem.

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