Scores on a statistics final in a large class were normally distributed with a mean of 73 and a standard deviation of 9. use the ti-84 plus calculator to answer the following. round the answers to at least two decimals.(a) find the 29th percentile of the scores.(b) find the 66th percentile of the scores.(c) the instructor wants to give an a to the students whose scores were in the top 10% of the class. what is the minimum score needed to get an a? (d) between what two values are the middle 52% of the scores? (write the smaller number first box)