Question 2
32 pts
Test the claim that the mean lifetime of car engines of a particular type is greater than 220000 miles Sample data (assumed to be Normal) are summarized as - 23. 7-226450
miles and s-11500 miles. Use -0.01

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]