Question

For each of the following situations, state whether a Type I, a Type II, or neither error has been made.
a) A test of H0: m = 25 vs. HA: m 7 25 rejects the null hypothesis. Later it is discovered that m = 24.9.
b) A test of H0: p = 0.8 vs. HA: p 6 0.8 fails to reject the null hypothesis. Later it is discovered that p = 0.9.
c) A test of H0: p = 0.5 vs. HA: p 0.5 rejects the null hypothesis. Later it is discovered that p = 0.65.
d) A test of H0: p = 0.7 vs. HA: p 6 0.7 fails to reject the null hypothesis. Later is it discovered that p = 0.6.


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  • CreatedMay 15, 2015
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