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Mathematics, 29.06.2019 14:40 Queenhagar

We wish to see if the dial indicating the oven temperature for a certain model of oven is properly calibrated. four ovens of this model are selected at random. the dial on each oven is set to 300∘f and, after one hour, the actual temperature of each is measured. the temperatures measured are 305∘f, 310∘f, 300∘f, and 305∘f. assuming that the actual temperatures for this model, when the dial is set for 300∘f, are normally distributed with mean , we test whether the dial is properly calibrated by testing the hypotheses : = versus : ≠ . based on the data, the ‑value for this test is: between 0.1 and 0.05. between 0.05 and 0.025. between 0.025 and 0.01.

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