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Mathematics, 31.07.2019 02:30 jumana3
The desired percentage of sio2 in a certain type of aluminous cement is 5.5. to test whether the true average percentage is 5.5 for a particular production facility, 16 independently obtained samples are analyzed. suppose that the percentage of sio2 in a sample is normally distributed with σ = 0.32 and that x = 5.23. (use α = 0.05.)
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The desired percentage of sio2 in a certain type of aluminous cement is 5.5. to test whether the tru...
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