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If a 5-member committee is selected from at random from from among 7 faculty and 6 students what is the probability that it contains exactly 3 faculty and 2 students?
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∙ 14y ago
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∙ 14y ago
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A committee of 4 students will be selected from a list that contains 6 grade 9 students and 8 grade 10 What is the expected number of grade 10s on the committee?
8
Out of 27 students selected for an interview what is the probability that at-least 3 of them have their date of birth in the same month?
The probability is 1.
In a classroom the students are 11 boys and 1 girl if one student is selected at random find the probability that the student is a girl?
There is only one girl out of 12 students so the probability that the girl is selected is 1/12.
Twenty percent of students smoke what is the probability that a random group of seven is selected and four of them smoke?
Approx 0.0287
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
A committee of 4 students will be selected from a list that contains 6 grade 9 students and 8 grade 10 What is the expected number of grade 10s on the committee?
8
What is the probability for a student in a dormitory to be selected if 10 percent of the students live in dormitories and a random sample of 100 is selected?
The probability is 10 percent.
Out of 27 students selected for an interview what is the probability that at-least 3 of them have their date of birth in the same month?
The probability is 1.
In a classroom the students are 11 boys and 1 girl if one student is selected at random find the probability that the student is a girl?
There is only one girl out of 12 students so the probability that the girl is selected is 1/12.
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
How many different ways can 1 committee of 5 students be selected from a class of 25?
53,130 ways.
Twenty percent of students smoke what is the probability that a random group of seven is selected and four of them smoke?
Approx 0.0287
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
You randomly select 500 students and observe that 85 of them smoke Estimate the probability that a randomly selected student smokes?
85/500 = 17%
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
In a classroom the students are 11 boys and 1 girls If one student is selected at random find the probability that the student is a girl?
1/12 =0.08333... ≈ 8.3%
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
