A teacher wants to curve her grades such that 10% are below 60 and 10% above 90.

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A teacher wants to curve her grades such that 10% are below 60 and 10% above 90. Assuming a normal distribution, what values of μ and σ² will provide such a curve?

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Statistical Methods

ISBN: 9780128230435

4th Edition

Authors: Donna L. Mohr, William J. Wilson, Rudolf J. Freund

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Question Posted: Mar 28, 2024 01:00 AM

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A teacher wants to curve her grades such that 10% are below 60 and 10% above 90.

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Statistical Methods

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