01: Elementary Statistics roblems: Normal Probability Distributions all of the problems below. Be sure to show your work. Identify any formulas NSWER. Write the word or phrase that best completes each statement or answers the n appropriate response. The ACT is an exam used by colleges and universities to evaluate undergraduate applicants. The test scores are normally distributed. In a recent year, the mean test score was 22.2 and the standard deviation was 4.9. The test scores of four students selected at random are 16, 24, 9, and 35. a) Find the z-scores that correspond to each value. b) Determine whether any of the values are unusual. Find the area of the indicated region undo