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What is probability 2 girls are chosen if 10 students are girls and 15 are boys?
Wiki User
∙ 11y ago
The probability of choosing 2 girls at random from group of 25 students of which
10 are girls and 15 are boys is:
P( 2 girls) = (10/25)∙(9/24) = 3/20 = 0.15 = 15%
Wiki User
∙ 11y ago
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4/8 x 3/5
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12/21 or 4/7
There are 100 students distributed into 4 classrooms. There are 54 girls and 46 boys. What is the probability that a class will have 15 girls?
I am not going to help you cheat in math class!!!!!!!!!!!!!
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What is the probability a girl is chosen if 15 students are girls and 10 students are boys?
The ratio of girls to total students is 15:25, or 3:5. Three out of five students are girls so there would be a 60% probability that a girl would be chosen; a 2 out of 5 chance, or 40% probability that a boy would be chosen.
What if a class of 25 students has 15 girls and boys if one student is chosen at random what is the probability it is a girl?
The probability is 15/25 = 3/5
A class of 25 students has 15 girls and 10 boys If one student is chosen at random What is the probability it is a girl?
The probability is 15/25 = 3/5
A committee of 4 boys and 3 girls is chosen from 8 boys and 5 girls One of the boys is a brother of one of the girls Probability that both are in the committee is?
4/8 x 3/5
What is the probability of a girl being chosen if there are 10 boys and 14 girls?
If the choice is unbiased, the change is 14/(10+14). If the chooser prefers choosing boys, the probability is 0.
In a third grade class containing 13 girls and 7 boys Two students are randomly selected to give out homework What is the probability that both students are girls?
13 out of 20
In a third grade class containing 12 girls and 10 boys Two students are selected randomly to give out papers What is the probability that the second student chosen is a boy if the first was a girl?
4 in 7 chance
A school debate team has 4 girls and 6 boys. A total of 3 of the team members will be chosen to participate in the district debate. What is the probability that 3 girls and no boys will be selected?
1-30
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3-7
What is the probability that a teacher will pick a boy out of 21 students 9 girls and 12 boys?
12/21 or 4/7
There are 10 boys and 12 girls in a class if one student is selected at random from the class what is the probability it is a girl?
The probability is the number of girls divided by the number of students, so 12/22, or 6/11
There are 100 students distributed into 4 classrooms. There are 54 girls and 46 boys. What is the probability that a class will have 15 girls?
I am not going to help you cheat in math class!!!!!!!!!!!!!
