Question

A teacher figures that finalgades in the demistry d partment are deabted as A, 25%, B25%, c to determine if the grade distrib
2 of 5 (5 compkele) i%; C, 40%; D. 5%, F. 5% At the end of a randomly selected semester, te folow ng mm ber of gades were rec
0 0
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Answer #1

Girada Ob sexved 4 2 Expecred4-0 4 0 8 Total 3 6+42 142160 Expected valua cdculation 2.5 Expected = (60 X Expected B = (60 X

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