A report states that the cost of repairing a hybrid vehicle is falling even whle typical repairs on conventional vehicles are getting more expensive. The most common hybrid repair, replacing the $3.927 in 2012. Industry experts suspect that the cost will continue to decrease given the increase in the number of technicians who have gained expertise on fixing gas electric engines in annembly remain completed in the last month was selected. The sample mean repair cost was $3,800 with the sample standard deviation of 5300. Complete parts (a) and (b) bow a. In there evidence that the population mean cont in less than $3,827? (Ute 0.01 level of significance.) State the null and alternative hypothesen, HoH 2 $3027 HH$ 3927 (Type Integer or decimals) Find the test statistic for this hypothesis test ISTAT 1.66 (Round to two decimal places as needed