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The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean u =40 and standard deviation o=4 .

The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean u =40 and standard deviation o=4 . Use the TI-84 Plus calculator to answer the following. Find the 23rd percentile of the tire lifetimes. Round the answers to at least two decimal places

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