8. During the winter months, heating bills can be expensive. A contractor claims

Question

8. During the winter months, heating bills can be expensive. A contractor claims that installing a new brand of insulation will considerably lower heating bills. Suppose an appropriate hypothesis test is properly conducted to determine if there is evidence to support the contractor's claim and the results are significant at the 5% level. You m also conclude that the test would be significant at the 1% level not be significant at the 10% level O not be significant at the 1% level be significant at the 10% level

Explanation / Answer

as if a test is significant at 0.05 level whcih mean p value is less than 0.05 and that indicates that it is significant at 10% level too. correct option is:

be significant at the 10% level

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