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You want a 95% confidence interval for average pizza delivery time. A sample of 10 pizzas has an average delivery time of 34 minutes and a sample standard deviation of 5. 2 minutes. What t value do you use in your formula for the confidence interval?.

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The answer is D.) 2.263
You want a 95% confidence interval for average pizza delivery time. A sample of 10 pizzas-example-1
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