Let us see how far you have learned about the Probabilities and Percentiles under Standard Normal Distribution. Directions: Solve the problem below. Write your answers and solutions on a separate sheet of paper. In your school with 400 Grade 1.1 students, the final examination in General Mathematics has a mean 38 and a standard deviation of 4. a. If you got a score 43, state how will you find its corresponding z-score? b. What is your percentile rank? c. What is the probability that a random selected student has a score of 25? d. What should be your minimum score if you want to belong to the upper 10% of the group? s. How important is understanding the concept of probabilities and percentiles in this situation