Question 7 1 pts In order to get promoted to the next grade, a student is required to score above 55 in the final test. Assume the scores to be normally distributed with a mean of 60 and a standard deviation of $5.5 .$ Calculate the percentage of students who will be promoted to the next grade. $67.50 %$ $18.14 %$ $52.50 %$ $62.50 \%$ $81.86 %$ CS.VS. 1294