Suppose the final exam scores for Math 254 are normally distributed with a mean of 73.88 and
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Suppose the final exam scores for Math 254 are normally distributed with a mean of 73.88 and a variance of 65.98. Suppose that some stat professors do ‘curve’ the final exam scores—that is, an “A” is given for the top 9%, a“B” for the next 11%, a “C” for the next14%, a “D” for the next 16% and a “F” for the reminder.
a. What must you score on the final to receive a“A”?
b. What must you score on the final to receive a“B”?
c. What must you score on the final to pass the class –a “C” or better?
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