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There are 14 freshmen and 18 sophomore students in a classroom. We randomly select two students.
Suppose the students were selected with replacement.
a) If the first student was a freshman, what is the probability that the 2nd student is also a freshman?
b) If the first student was a sophomore, what is the probability that the 2nd student was a freshman?
Suppose the students were selected without replacement.
c) If the first student was a freshman, what is the probability that the 2nd student is also a freshman?
d) If the first student was a sophomore, what is the probability that the 2nd student was a freshman?
Sagot :
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