i) Identify the null and alternative​ hypotheses ii) test​ statistic iii) P-value iv) state the final conclusion that addresses the original claim.

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Park officials make predictions of times to the next eruption of a particular​ geyser, and collect data for the errors​ (minutes) in those predictions. The display from technology available below results from using the prediction errors to test the claim that the mean prediction error is equal to zero. Comment on the accuracy of the predictions. Use a 0.05 significance level.

i) Identify the null and alternative​ hypotheses

ii) test​ statistic

iii) P-value

iv) state the final conclusion that addresses the original claim.

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