Short Answer
Let denote the true average delivery time of a letter from a specific carrier. For a large-sample z test of H0:
= 3 versus Ha:
3, find the p-value associated with each of the given values of the test statistic, and state whether each p-value will lead to a rejection of the null hypothesis when performing a level 0.05 test.
= 2.16
p = ______________
Conclusion: ______________ = 0.38
p = ______________
Conclusion: ______________ = -2.81
p = ______________
Conclusion: ______________ = 1.07
p = ______________
Conclusion: ______________ = -0.68
p = ______________
Conclusion: ______________
Correct Answer:

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0.0308; Reject H0; 0.704; Do no...View Answer
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