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In a school, 22% of the students are sixth graders. What is the probability that a randomly chosen student will not be a sixth grader?
50 percent
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.
MsBascom has 20 students in her class She is shoosing their names from a hat to form 3 groups What is the probability that a particular student will be chosen for group 2?
The particular student can be in any one of 3 groups and so the probability of being in group 2 is 1/3.
On a math test 5 out of 20 students got an A If three students are chosen at random what is the probability that all three got an A on the test?
P( a student getting an A) = 5/20=1/4 There are 3 students. The probability that all three got an A is (1/4)(1/4)(1/4)=1/64.
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
In a second grade class containing 13 girls and 9 boys 2 students are selected at random to give out the math papers. What is the probability that the second student chosen is a boy given that the fir?
To find the probability that the second student chosen is a boy given that the first student chosen is a boy, we first note that there are 22 students total (13 girls and 9 boys). If the first student chosen is a boy, there will then be 8 boys and 13 girls remaining, making a total of 21 students left. Therefore, the probability that the second student is a boy is the number of remaining boys (8) divided by the total remaining students (21), which gives us a probability of ( \frac{8}{21} ).
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 nursing class has 13 women and 18 men If a student is chosen randomly to be the team leader what is the probability the student is a woman?
The probability that a randomly chosen student is a woman can be calculated by dividing the number of women by the total number of students in the class. In this case, there are 13 women and 31 total students, so the probability is 13/31, which simplifies to approximately 0.419 or 41.9%.
In a school, 22% of the students are sixth graders. What is the probability that a randomly chosen student will not be a sixth grader?
50 percent
There are 20 students in room 14 of the students have brown eyes and 12 have blonde hair If a student is chosen randomly what is the probability that he or she will have brown eyes and blond hair?
The probability that he or she will have brown eyes and blond hair is 21/50.
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
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.
MsBascom has 20 students in her class She is shoosing their names from a hat to form 3 groups What is the probability that a particular student will be chosen for group 2?
The particular student can be in any one of 3 groups and so the probability of being in group 2 is 1/3.
On a math test 5 out of 20 students got an A If three students are chosen at random what is the probability that all three got an A on the test?
P( a student getting an A) = 5/20=1/4 There are 3 students. The probability that all three got an A is (1/4)(1/4)(1/4)=1/64.
Ther are 9 girls and 12 boys on the student councilwhat is the probabilitythat a girl will be chosen as president?
To find the probability that a girl will be chosen as president, you can use the formula for probability: ( P(\text{girl}) = \frac{\text{number of girls}}{\text{total number of students}} ). There are 9 girls and 12 boys, making a total of 21 students. Thus, the probability is ( P(\text{girl}) = \frac{9}{21} = \frac{3}{7} ).
A nursing class has 13 women and 18 men if a student chosen randomly to be the team leader what is the probability the student is a woman?
least likely
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
