Belleville high school offers classes on three different
foreign languages. let a be the event that a student is in
eleventh grade, and let b be the event that a student is
enrolled in french class.
which statement is true about whether a and b are
independent events?
tenth grade
eleventh grade
twelfth grade
total
spanish
107
56
89
252
french german total
122 6
235
68 14
138
82
8
179
272 28552
a and b are independent events because p(aib)
= p(a).
a and b are independent events because p(aib)
= p(b).
a and b are not independent events because p(aib)
a and b are not independent events because p(a i b)
+ p(b).