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May 25, 2015

Homework Help: statistics

Posted by Rald on Friday, June 21, 2013 at 6:03pm.

If a teacher wants to test her belief that more than 5 students in college classes typically receive A as a grade, she'll perform?
a. two tailed testing of a mean
b. two tail testing of a proportion
c. one tail testing of a proportion
d. one tail testing of a mean

I choose b..is this correct???

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