Question: For each of the questions below state the null and alternate hypotheses. (Be sure to state them in terms of the population parameter of interest.) Then state the conclusion in terms of the problem. (NOTE: You aren’t given enough information to actually do the hypotheses tests in the problems below.)

A manufacturing company produces electrical insulators. If the insulators break when in use, a short circuit is likely to occur. To test the strength of the insulators, destructive testing is carried out to determine how much force is required to break the insulators. Force is measured by observing how many pounds are applied to the insulator before it breaks. At the .05 level of significance, is there evidence that the mean force is greater than 1500 pounds? State the null and alternate hypothesis. Assuming that the null hypothesis is rejected, state the conclusion in terms of the problem.

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