It is said that 90% of frosh expect to be above average in their class. You are to provide a reality check. Input The first line of standard input contains an in- teger C, the number of test cases. C data sets follow. Each data set begins with an in- teger, N, the number of people in the class (1 ≤ N ≤ 1000). N integers follow, sepa- rated by spaces or newlines, each giving the final grade (an integer between 0 and 100) of a student in the class. Output For each case you are to output a line giving the percentage of students whose grade is above average, rounded to 3 decimal places. Sample Input 5 5 50 50 70 80 100 7 100 95 90 80 70 60 50 3 70 90 80 3 70 90 81 9 100 99 98 97 96 95 94 93 91 Sample Output 40.000% 57.143% 33.333% 66.667% 55.556%