a) Ho: mue = 10.33. Ha: mue > 10.33

b). level of significance : 0.10

c) z crit. = 2.576

d) z = 10.68 -10.33/ 2.7/sqrt(400). = 2.592

e) Reject null hypothesis

f) reject null hypothesis because z stat lies in critical region beyond z = 2.576

g) p ( z> 2.592). = 1- 0.9952 = 0.0048. It means that there is throng evidence against Ho provided by sample data

h). The sample data provides the evidence that the mean hourly wage for private sector workers for their first job is greater than $ 10.33

You are best, thank you so much for your help. I have one more question, and I really need your help.u5c4fu5e55u5febu7167 2015-04-24 u4e0au534811.49.24.png

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