SOLUTION: There are five boys and five girls in a class. The teacher randomly selects three different students to answer questions. The first student is a girl, the second student is a boy,
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Question 1181086: There are five boys and five girls in a class. The teacher randomly selects three different students to answer questions. The first student is a girl, the second student is a boy, and the third student is a girl. Find the probability of this occurring.
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There are five boys and five girls in a class.
The teacher randomly selects three different students to answer questions.
The first student is a girl, the second student is a boy, and the third student is a girl.
Find the probability of this occurring.
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P = = = .
At the first step, you select one of 5 girls among 10 students.
At the second step, you select one of 5 boys among remaining 9 students.
At the third step, you select one of remaining 4 girls among remaining 8 students.
It gives the formula.
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Solved, answered and carefully explained.
It can be solved in different ways, but this one is the fastest, simplest and the most straightforward.