SOLUTION: The results of the last test in Algebra 2/Trig. class were normally distributed and had an average of 75. If the variance (σ2) was 25, what percent of the students taking the
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Question 271898: The results of the last test in Algebra 2/Trig. class were normally distributed and had an average of 75. If the variance (σ2) was 25, what percent of the students taking the exam scored above an 80?
What are the step to solving a question like this using a TI-83 Plus graphing calculator? What exactly do you enter in the calculator? Answer by stanbon(75887) (Show Source):
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