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OpenStudy (anonymous):
calculate the p value for the following hypothesis test for a sample size 100 which resulted in a test statistic value of z=2.31 H0: mu=15 H1: mu=/ 15
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jimthompson5910 (jim_thompson5910):
assuming that's H1: mu =/= 15, this is a two tailed test
jimthompson5910 (jim_thompson5910):
so you first need to find the area under the curve to the right of z = 2.31 (either use a calculator or table) then double that area
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