Question: Why is this the appropriate test statistic for this scenario? Is this a one- or two-tailed hypothesis test? Explain. State the null and alternative hypotheses

  1. Why is this the appropriate test statistic for this scenario?
  2. Is this a one- or two-tailed hypothesis test? Explain.
  3. State the null and alternative hypotheses here

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Why is this the appropriate test statistic for this scenario?Is this a

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