Part 4 d. If the professor grades on a curve (for example, the professor could give A's to the top 10% of the class, regardless of the score), is a student better off with a grade of 94 on the exam with a mean of 78 and a standard deviation of 8 or a grade of 66 on a different exam, where the mean is 62 and the standard deviation is 4? Show your answer statistically and explain.A student is with a grade of 94 on the exam with a mean of 78 and a standard deviation of 8 because the Z value for the grade of 94 is enter your response here and the Z value for the grade of 66 on the different exam is