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The a two-tailed hypothesis test a) Is related to a confidence interval at the same level...

The a two-tailed hypothesis test a) Is related to a confidence interval at the same level of alpha. b) Is expressed in a probability framework with a chance of being wrong in our conclusion. c) All of the answers are true. d) Has an alternative hypothesis that uses Not Equal in the expression.

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option C is correct:c) All of the answers are true.

(as it contains not equal sign in alternate hypothesis, both 2 tailed and confidence interval gives same result , and signifiance level provide the  chance of being wrong in our conclusion)

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