Kofi and Ama both receive 50,000 dollars annually in the companies they work for. In Kofi's company, the mean annual salary of 60,000 dollars with a standard deviation of 5,000 dollars. Ama's company on the other hand has a mean annual salary of 35,000 with a standard deviation of 8000. Find the z value for both Kofi and Ama and comment on your findings. f
