Boys and girls
There are 11 boys and 18 girls in the classroom. Three pupils will answer. What is the probability that two boys will be among them?
Correct answer:
Showing 3 comments:
Tips for related online calculators
Looking for a statistical calculator?
See also our combinations with repetition calculator.
Would you like to compute the count of combinations?
See also our combinations with repetition calculator.
Would you like to compute the count of combinations?
You need to know the following knowledge to solve this word math problem:
statisticscombinatoricsbasic operations and conceptsGrade of the word problem
Related math problems and questions:
- Probability 2955
There are 18 girls and 13 boys in the class. Four pupils will be chosen by lot to supervise the breaks. What is the probability that it will be the boys themselves? - Classroom
Of the 26 pupils in the classroom, 12 boys and 14 girls, four representatives are picked to the odds of being: a) all the girls b) three girls and one boy c) there will be at least two boys - Competition in the class
There are 10 students in the class, of which 8 are girls and two are boys. We want to select three for the competition. What is the probability that they will be: a) 2 girls and 1 boy b) 1 girl and 2 boys c) 3 girls d) 3 boys e) at least 2 girls - Peter and Lucy
In a group of 3 boys and 4 girls, two players are drawn to play a game. Among the girls is Lucy, and among the boys is Petr (both are the only ones with that name). The first one drawn will be the captain, the second the helmsman. What is the probability - Today in school
There are nine girls and 11 boys in the class today. What is the probability that Suzan will go to the board today? - Probability 83308
There are 10 parts in the box, and 3 of them are defective. Let's choose 4 components at random. What is the probability that it will be among them a) 0 defective, b) just one defective component, c) just two defective components, d) exactly 4 defective c - Classroom 4
In a class of 36 pupils, 2/3 are girls. How many girls and boys are in the class?
