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Find the probability of selecting 3 science books and 4 math books from 8 science books and 9 math books The books are selected at random?
(8C3 x 9C4)/17C7= (56 x 126)/19448= about 36.3%
3 pictures are selected randomly from 5 pictures and arrange how many ways are there to arrange?
Assuming the question is that you have 5 pictures and want to know how many different ways you could put 3 on a wall from left to right: There are 5 choices for the first picture; for each of these there are 4 choices for the second; and for each of these choices there are 3 choices for the third, meaning a total of: 5 x 4 x 3 = 60 ways that 3 pictures can be arranged from 5.
How many different ways can you arrange 5 out of 7 books on a book shelf?
There are only 5 places on the shelf. You have 7 books to choose from. We will ignore the order of the books on the shelf. The first place can be filled from a choice of 7 books, the next place from 6, the next place from 5, the next from 4, and the last of the 5 places from 3 books. So the number of ways of choosing the 5 is found from 7 * 6 * 5 * 4 * 3 = 2520
How many ways can you arrange 5 books on a shelf order is important?
5 books can be lined up on a shelf in (5 x 4 x 3 x 2 x 1) = 120 different sequences.
How many ways can a 3-person subcommittee be selected from a committee of 7 people?
-4
How many ways can 3 books be selected from a group of 7 books?
35
How many ways can you choose 3 books out of a selection of nine books?
93
3 bananas are to be selected from a group of 9 In how many ways can this be done?
im a webkin
In how many ways can a 3-person committee be selected from a group of 4?
-1
How many ways 12 books can be arranged 3 at a time?
there are 220 combinations of arranging 12 books chosing 3
How many ways can you arrange 3 books on one shelf?
Choose 3 then 2 then 1; 3*2*1 = 6 ways.
How many ways in which a student can choose 5 out of 9 books if 2 books are compulsory?
Two books are compulsory, so the student really wants to know how many ways he can pick 3 out of 7. That is 35.
How many ways can 3 be selected from 30?
The number is 30C3 = 30!/[3!*(30-3)!] = 30*29*28/(3*2*1) = 4060
How many ways can a group of 3 be selected from a group with 12 members?
12C3 = 12*11*10/(3*2*1) = 220
I am taking a vacation and plan to read 3 books while I'm gone I have 25 books to choose from How many ways can I select the 3 books to take on vacation?
2300
In how many ways can you divide 9 books into 3 groups so there's an odd number of books in each group?
one, 3 x 3 = 9
How many ways can 8 toppings be selected to make 3 topping pizzas?
8C3 = 8*7*6/(3*2*1) = 56
