Genetics says ratio 9:3:3:1 (Mendel). With n = 160 observed, expected counts are
- A
100, 30, 20, 10
- Bcheck_circle
90, 30, 30, 10
- C
80, 40, 20, 20
- D
80, 60, 10, 10
Explanation
Of 16 parts: 9 = 90, 3 = 30, 3 = 30, 1 = 10.
Carrying Out a Chi-Square Test for Goodness of Fit
AP Statistics· difficulty 4/5
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