Mathematics, 04.06.2020 13:17 Svetakotok
The students of TS2 class in a certain school, are distributed in 2 sections S1 and S. The 1t section S, is composed of 40 students, 15 of them are boys.
The 2nd section S, is composed of 25 students, 12 of them are girls.
to choose S, is 60% and the probability to choose S2 is 40%.
The probability We choose randomly one student.
a)Calculate the probability that this student is a girl.
b) Calculate the probability that this student is a boy.
c) Calculate the probability that this student is from S, knowing that the chosen student is a girl.
Answers: 3
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The students of TS2 class in a certain school, are distributed in 2 sections S1 and S. The 1t sectio...
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