Let x be a random variable that represents the batting average of a professional baseball player. Let y be a random variable that represents the percentage of strikeouts of a professional baseball player. A random sample of n = 6 professional baseball players gave the following information. 0.334 0.302 0.340 0.248 0.367 0.269 3.1 7.9 4.0 3.6 3.1 11.1 (a) Verify that Ex = 1.86, Ey = 37.8, Ex = 0.586914, Ey