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How many ways can a group of 5 people be chosen from a class of 20 and would it be a combination or permutation?
Wiki User
∙ 13y ago
If you care how they line up when they stand together, then five people can be chosen
and lined up in (20 x 19 x 18 x 17 x 16) = 1,860,480ways. Those are permutaions.
If it doesn't matter how they line up, and you only want the number of different groups
of five people, then there are 1,860,480/(5 x 4 x 3 x 2) = 15,504 different groups of five.
(That's because the same five people can line up in (5 x 4 x 3 x 2) = 120 different ways.)
Those are combinations.
Wiki User
∙ 13y ago
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A class of 14 boys and 11 girls. What is the probability of selecting a girl 1st and then a girl 2nd and then a boy third.?
Assuming the choices are made randomly and that the chosen people are not returned to the class, the probability is 77/690 = 0.1116 approx.
2 students have to be chosen as monitor in a class of 36 how many ways to done this?
36 x 35/2 ie 630
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
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%.
Is the sixth tallest in his class and he is also the sixth shortest in his class?
From the given information, one can infer that the subject is in a class of 11 people. In addition, he has the median height among all students in his class.
Is this a permutation In how many different ways could a committee of 5 students be chosen from a class of 25 students?
6,375,600
How many ways can 2 people be chosen from a class of 20?
20C2 = 190
How many ways can a group of 7 people be chosen from a class of 15?
It is: 15C7 = 6435 combinations
How were the upper class girls chosen?
They were not chosen they were born into the position.
Who did Andrew Jackson see as the chosen class?
He thought that the chosen class were those "who labored in the earth"
How are the husbandsof upper class girls chosen?
Usually by association with people of the same class system. They are invited to functions, parties and other social events frequented by people of similar upbringings.
How were the husbands of upper class girls chosen?
Upper Class girls where chosen, by there family, only the richest could decide.
Which Class 319 Trains are Chosen for Nothern Rail?
The Class 319/0 electric trains were chosen for Northern Rail
Does the Jews being referenced to as the chosen people have anything with riches?
What riches? There are poor Jews, middle class Jews, upper class Jews, just like there are with ALL PEOPLE. Chosen people refers to being chosen to obey the 613 commandments of the Torah, like keeping kosher and observing the shabbat. Non-Jews have commandments too, and their own covenant with G-d. They are supposed to observe the Noachide laws.
What was the definition of the chosen class in jacksonian democracy?
The chosen class in Jacksonian democracy consisted of farmers, laborers, mechanics, and planters. This is much more extensive than the Jeffersonian democracyâ??s definition of the chosen class, which was limited to the yeoman farmer.
How were the husbands of upper class girl chosen in Tudor time?
Husbands were chosen by parents.
Chosen to represent the upper class of roman citizens?
cenatry?
