The following are the means and standard deviations of some well- known standardized tests, referred to as Test A, Test B, and Test C. All three yield normal distributions. Test Mean Standard Deviation Test A 300 75 Test B 250 4 Test C 40 12 a. (3 pts) A score of 275 on Test A corresponds to what score on Test B? b. (3 pts) A score of 400 on Test A corresponds to what score on Test C?