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July 5, 2015

Homework Help: Math-Statistics

Posted by Richard on Tuesday, December 6, 2011 at 3:48pm.

Find a confidence interval for assuming that each sample is from a normal population.
a. P x = 14, = 4, n = 5, 90 percent confidence
b. P x = 37, = 5, n = 15, 99 percent confidence
c. P x = 121, = 15, n = 25, 95 percent confidence

Need to show my work/formula
Thanks,

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