For a sample of 12 items from a normally distributed population for which the standard deviation is 17 0, the sample mean is 230 8 At the 0 05 level of significance, test H0 220 versus H1 220 Determine and interpret the p value for the test ...

Null and alternative hypotheses H 0 m 220 H 1 m 220 Level of significance a 005 Test results 2308 n ...

For a sample of 12 items from a normally distributed population for which the standard deviation is

Question:

For a sample of 12 items from a normally distributed population for which the standard deviation is σ = 17.0, the sample mean is 230.8. At the 0.05 level of significance, test H0: μ ≤ 220 versus H1: μ > 220. Determine and interpret the p-value for the test.