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To choose the captains for a math team competition Mr Valdez randomly drew the names of 2 students. If there were 8 girls and 4 boys in the drawing what is the probability that he drew 2 boys names?
Adh99
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A final exam in Math 160 has a mean of 73 with standard deviation 7.8 If 24 students are randomly selected find the probability that the mean of their test scores is less than 70?
0.9699
A group of 12 male and 4 female students is planning to go for pizza If 50 percent of the male students go and 25 percent of the female students go find the probabity that a random student is female?
50% of 12 male students = 6 25% of 4 female students = 1 So in total 7 students go for pizza. The probability that a randomly selected student will be female is 1/7 or 14%.
A professor must randomly select 4 students to participate in a mock debate. There are 18 students in his class. In how many different ways can these students be selected if the order of selection doe?
333
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
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
You randomly select 500 students and observe that 85 of them smoke Estimate the probability that a randomly selected student smokes?
85/500 = 17%
Lamone is in a group of 10 students on waiting list for a school trip There is space for 2 more students on the tripso Mr.Baraka plansto randomly select 2 names from a hatWhat is the probability?
The answer depends on what is the probability of WHAT!
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.
If two students are chosen randomly at the same class what is probability to have the same birthday is it likely or unlikely?
It depends on how big the class is.
Given eight students four of which are females if two students are selected at random without replacement what is the probability that both students are female?
The probability of selecting 1 female at random is 4/8 There are now 7 students, 3 of which are female so the probability of selecting another female is 3/7 The probability two randomly selected students are female is (4/8)x(3/7)= 3/14
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
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%.
From past experience it has been established that 70 percent of the students who take a course in statistics at QCC pass the course If you randomly select 6 students who took a course at QCC what is t?
what is the probability that exactly 3 students passed the course?
Mr Harrow has eight boys and six girls in his Honors Precalculus class If he randomly chooses two students one at a time what is the probability that they are both girls?
this is 15/91
There are 10 students in a classroom including the triplets Hugh Stu and Lou. If 3 of the 10 are randomly selected to give speeches what is the probability that Hugh will be first Stu will be second a?
1-720
What probability of picking 5 students and 3 students from a group of 10 students and 13 faculty?
The probability of picking 5+3 = 8 students is 0.1202
