2 April, 10:21
In a certain liberal arts college with about 10,000 students, 40% are males. if two students from this college are selected at random, what is the probability that they are of the same gender?
2 April, 11:32
Treat this almost as 2 separate problems.
P (male) = 0.40. P (two males) = (0.40) (0.40) = 0.1600.
P (female) = 0.60. P (two females) = (0.60) ^2 = 0.3600
Now add these two probabilities together: P (students are of the same gender) = 0.52
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» In a certain liberal arts college with about 10,000 students, 40% are males. if two students from this college are selected at random, what is the probability that they are of the same gender?