A test is made of Ho: p= 12 versus H u<12. A sample of size n=50 is drawn, and x = 10. The population standard deviation !! o = 5. (a) Compute the value of the test statistic z (b) Is H rejected at the a= 0.10 level? (c) Is H, rejected at the a=0.05 level? 0.

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A test is made of H: p= 12 versus H u<12. A sample of size n=50 is drawn, and x = 10. The population standard deviation
o = 5.
(a) Compute the value of the test statistic z.
(b) Is H, rejected at the a =0.10 level?
(c) Is H, rejected at the a=0.05 level?
Transcribed Image Text:A test is made of H: p= 12 versus H u<12. A sample of size n=50 is drawn, and x = 10. The population standard deviation o = 5. (a) Compute the value of the test statistic z. (b) Is H, rejected at the a =0.10 level? (c) Is H, rejected at the a=0.05 level?
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