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Please help A test is made ofH: 1.1: 14 versus H1: 11 14. A sample of size n = 48 is drawn, and E: 12.

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A test is made ofH: 1.1: 14 versus H1: 11 14. A sample of size n = 48 is drawn, and E: 12. The population standard deviation iso=6. (a) Compute the value of the test statistic z. (b) Is H" rejected at the 0.: 0.05 level? (c) Is HI] rejected at the 11: 0.01 level

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