Posted by **Emily** on Sunday, February 27, 2011 at 6:30pm.

To determine whether themean nicotine content of a brand of cigarettes is greater than the advertised value of 1.4 milligrams, a health advocacy program tests:

Ho: mu = 1.4

Ha: mu > 1.4

The calculated value of the test statistic is z = 2.42.

==> How do I calculate the p-value from just this z-statistic? Thanks for your help!

- Statistics -
**PsyDAG**, Monday, February 28, 2011 at 10:42am
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.

- Statistics -
**Emily**, Monday, February 28, 2011 at 11:08pm
I didn't realize how simple that was x) thanks so much!

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