Mathematics, 22.05.2020 03:05 rico126090

A professor knows that her statistics students' final exam scores have a mean of 75 and a standard deviation of 11.2. In his class, an "A" is any exam score of 90 or higher. This quarter she has 26 students in her class. What is the probability that 4 students or more will score an "A" on the final exam?

Hint: You will need to use your knowledge of normal probability distributions to determine the probability of one individual getting an A and then use your knowledge of binomial distributions to determine the probability of 4 students or more out of 26 students getting an A.

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 problem!

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A professor knows that her statistics students' final exam scores have a mean of 75 and a standard d...