Statement (3 points) 8) The mean test scores on an aptitude test are 50. I company will hire someone that has an aptitude test score of at least 68. Assuming the aptitude test scores are normally distributed what would the standard deviation have to be if 2.5% of the aptitude test scores are at least 68. (Round to the nearest tenths place if needed) State the Z value (2 points) Answer (3 points)