You may need to use the appropriate appendix table or technology to answer this question. A professor at a local university noted that the exam grades of her students were normally distributed with a mean of 72 and a standard deviation of 11. The professor has informed us that 8.78 percent of her students received grades of A. What is the minimum score needed to receive a grade of A? 0.21 0.79 57.10 86.90

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