SOLUTION: in a class of 38 students, 13 are math majors. the teacher selects 2 students at random from this class. the probability (to 3 decimal places) that both of them are math majors is:

Algebra ->  Probability-and-statistics -> SOLUTION: in a class of 38 students, 13 are math majors. the teacher selects 2 students at random from this class. the probability (to 3 decimal places) that both of them are math majors is:      Log On


   



Question 666730: in a class of 38 students, 13 are math majors. the teacher selects 2 students at random from this class. the probability (to 3 decimal places) that both of them are math majors is:
Answer by ewatrrr(24785) About Me  (Show Source):
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in a class of 38 students, 13 are math majors. the teacher selects 2 students at random
in a class of 38 students, 13 are math majors.
the teacher selects 2 students at random
P(both math majors) = 13C2%2F%2838C2%29+=+78%2F703+=+.111+