Question: I do not know how to answer this I = A professor knows that her statistics students' final exam scores have a mean of 78

I do not know how to answer this

I = A professor knows that her statistics students' final exam scores have a mean of 78 and a standard deviation of 8.7. In his class, an "A" is any exam score of 90 or higher. This quarter she has 24 students in her class. What is the probability that 4 students or more will score an "A" on the final exam? Report your final answer accurate to 4 decimal places. Do not round any of the numbers in this calculation until the very end of the

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