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The grades on a math midterm at Loyola are roughly symmetric with \mu = 68μ=68mu, equals, 68 and \sigma = 5.5σ=5.5sigma, equals, 5, point, 5. Jessica scored 66 on the exam. Find the z-score for Jessica's exam grade. Round to two decimal places.

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The grades on a math midterm at Loyola are roughly symmetric with \mu = 68μ=68mu, equals, 68 and \si...
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