All freshmen, sophomores, juniors, and seniors attended a
high school assembly. the total stud...
All freshmen, sophomores, juniors, and seniors attended a
high school assembly. the total student attendance is
shown in the table.
twice during the assembly, a student is chosen at random
to assist with the presentation. after the first student has
finished assisting, the student returns to the group and can
be chosen a second time. what is the probability that the
first student chosen is a senior and the second student
chosen is a sophomore?
class
number of
people
freshmen 31
sophomores 10
juniors 17
seniors 22
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