Question: The management of A Better Golf Cart Industries is considering a new method for assembling its golf cart. At the present time, the mean time for assembly is 42.3 minutes per cart. The population standard deviation of the assembly times is 2.7 minutes. Based on a sample of 24 carts assembled using the new method, the average assembly time was 41.1 minutes per cart. The test statistic for testing Ha: the new assembly method is faster than the current method is -2.18. The p-value for this test of hypothesis is .0146. Does the information from this sample provide evidence that the assembly time using the new method is an improvement over the previously used method? Justify your answer.

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