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A Calculus Professor Posted the Following Grade Distribution Guidelines for Her

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A calculus professor posted the following grade distribution guidelines for her elementary calculus class: 8% A,35% B,40% C,12% D,and 5% F.A sample of 100 elementary statistics grades at the end of last semester showed 12 As,30 Bs,35 Cs,15 Ds,and 8 Fs.Test at the 5% significance level to determine whether the actual grades deviate significantly from the posted grade distribution guidelines.


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