he weekly incomes of shift foreman for a given industry follow a normal probability distribution. With a mean of $1,100 and a standard deviation of $100, what is the z-value for the income (called X) of a foreman who earns $1150 per week? For a foreman who earns $975 per week? In words, what do your results indicate?
z-value for the income are 0.5 and -1.25. A negative z value indicates below the mean (average).... View the full answer