which statement is true about whether z and b are
independent events?
х
10
110
60
180
b
c
total
z
61
126
110
183297
44
total
151
280
229
660
z and b are independent events because p(z i b) =
p(z).
z and b are independent events because p(z i b)
= p(b)
z and b are not independent events because p(z i b)
+ p(z).
z and b are not independent events because p(z i b)
o
p(b).
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