TC_Stats Qu1

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Question Title

* 1. The following situation models the logic of a hypothesis test. An electrician uses an instrument to test whether or not an electrical circuit is defective. The instrument sometimes fails to detect that a circuit is good and working. The null hypothesis is that the circuit is good (not defective). The alternative hypothesis is that the circuit is not good (defective). If the electrician rejects the null hypothesis, which of the following statements is true?

The electrician decides that the circuit is defective, but it could be good.

The circuit is definitely not good and needs to be repaired.

The circuit is definitely good and does not need to be repaired.

The circuit is most likely good, but it could be defective.