QUESTION 13 A labor union claims that the mean income of its members is no more than $20,000 per year. The Employers' Association believes that this claim is too low and that the actual mean income is higher. A random sample of 64 union members yields a mean income of $20,278.50 with a standard deviation of $793.81. Find the P-value according to your previous answers. O 0.003 O 0.364 O 0.997 O 0.006