QUESTION 5 The formula to calculate a z-score is z = (x - p)/o The formula to calculate x from a z-score is x =+zo On a Quiz, scores were normally distributed, with a mean of 83 and a standard deviation of 5. What is the lowest score that would still place a person in the top 10% of the scores? (1 decimal place) QUESTION 6 If 20% of the students had a quiz score less than 80 and there are a total of 70 students, how many students had a score less than 80? (enter a whole number)