A teacher figures that final grades in the chemistry 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 P-value to determine if the grade distribution for the department is different than expected. Use a = 0.01. A B C D F Number 42 36 60 14 8 Grade 0.025 < P-value < 0.05 P-value < 0.005 P-value > 0.10 0.01 < P-value < 0.025

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A teacher figures that final grades in the chemistry 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 P-value to determine if the grade distribution for the department is
different than expected. Use a = 0.01.
C D F
Number 42 36 60 14 8
Grade
А В
0.025 < P-value < 0.05
P-value < 0.005
P-value > 0.10
0.01 < P-value < 0.025
Transcribed Image Text:A teacher figures that final grades in the chemistry 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 P-value to determine if the grade distribution for the department is different than expected. Use a = 0.01. C D F Number 42 36 60 14 8 Grade А В 0.025 < P-value < 0.05 P-value < 0.005 P-value > 0.10 0.01 < P-value < 0.025
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