Find critical value to find grade distribution is different

Reference no: EM13156625

A teacher figures that final grades in the statistics department are distributed as: A, 25%; B, 25%; C, 40%; D, 5%; F, 5%. At the end of a randomly selected semester, the following number of grades were recorded. Find the critical value to determine if the grade distribution for the department is different than expected. Use α = 0.01.

Reference no: EM13156625

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