In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected is:
Answers
Answered by
0
Answer:
the probability will be 1:2 pls tag me brainliest
Answered by
1
Answer:
21/46
Step-by-step explanation:
since 3 students have to selected at random, use of combinations will be made.
no. of ways to select 3 students from (10+15) 25 students = 25C₃ = 2300
no of ways to select 1 girl and 2 boys = 10C₁ x 15C₂ = 10 x 105 = 1050
therefore, required probability = 1050/2300
= 21/46 ans
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