The final course grade for statistics class is normally distributed with a mean equal to 78 and standard deviation equal

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answerhappygod
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The final course grade for statistics class is normally distributed with a mean equal to 78 and standard deviation equal

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The final course grade for statistics class is normally
distributed with a mean equal to 78 and standard deviation equal to
6, the probability of picking a grade (X) and the grade being
Greater than 90 is equal to:
0.0228
0.9723
1.96
0.5623
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