+87 There are 32 students in the Classroom. There 12 boys and 20 girls. She needs to select two students to represent her class .She will put all students names on a piece of paper and randomly select two names, one after the other. What is the probability that she will select a boy first and then a girl?
+26367 There are 32 students in the Classroom. There 12 boys and 20 girls.
She needs to select two students to represent her class .
She will put all students names on a piece of paper and randomly select two names, one after the other.
What is the probability that she will select a boy first and then a girl?
\(\dfrac{12}{32}\times \dfrac{20}{31} = 0.24193548387\quad (24.2\ \%) \)
+26367 There are 32 students in the Classroom. There 12 boys and 20 girls.
She needs to select two students to represent her class .
She will put all students names on a piece of paper and randomly select two names, one after the other.
What is the probability that she will select a boy first and then a girl?
\(\dfrac{12}{32}\times \dfrac{20}{31} = 0.24193548387\quad (24.2\ \%) \)
