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Test/Compare sample proportions to populations

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Class # 1 2 3 4 5 6 7 8 Total
Not Passed Exam 78 43 60 113 117 81 79 82 653
Passed 34 38 56 65 67 81 45 47 433
Total 112 81 116 178 184 162 124 129 1,086
% Passed 30.36% 46.91% 48.28% 36.52% 36.41% 50.00% 36.29% 36.43% 39.87%

As you can see, I have 1086 data points here. 8 classes.

I want to test if the % passes of each class is significantly different from the population proportion, which is 39.87%.

I am now using: bitesti 112 34 0.3987 etc.

Is this right? Any suggestion?

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