If the class averaged 78 on a test with a standard deviation of 7, what score do I have to get to be in the top 10% of t

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answerhappygod
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If the class averaged 78 on a test with a standard deviation of 7, what score do I have to get to be in the top 10% of t

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If the class averaged 78 on a test with a standard deviation of7, what score do I have to get to be in the top 10% of the class?Show how the Z-table is incorporated
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