A and B are independent if and only if
- A
P(A) + P(B) = 1
- B
Mean(A) = mean(B)
- Ccheck_circle
P(A | B) = P(A)
- D
P(A and B) = 0
Explanation
Equivalent definition: knowing B does not change probability of A.
Setting Up a Chi-Square Test for Homogeneity or Independence
AP Statistics· difficulty 4/5
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