Permutations and Combinations

Permutations and Combinations

(i) no girl? (ii)atleast 2 girls

It's a college task. I Know how to find permutation of numbers, letters etc., but this is completely different. Here's the task : A Student is studying in a university. All study modules...

the no. of four digit even numbers that can be formed with 0,1,2,3,7,8

1,1,1,1,1 is a possibility since it is less than 15. list the possible outcomes 1,2,1,1,1 is a different outcome than 1,1,2,1,1. ORDER DOES MATTER

I'm not sure how to exclude just one number would it just be p(6,5). ?

Chapter 8: Counting Principles and Further Probability Topics

A Sixth form contains the Head Boy, the Head Girl and 8 other students. The form is asked to send a group of 4 representatives to a conference. Calculate the number of different ways in which the...

A class has 6 students randomly divided into two teams A and B. what is the probability that the three sunners in team A will come first second and third? Will the answer be 3!/6! or...

1,1,1,1,1 is a possibility since it is less than 15. list the possible outcomes 1,2,1,1,1 is a different outcome than 1,1,2,1,1. ORDER DOES MATTER

A self-serve Frozen Yogurt shop offers 10 toppings. How many different combinations of toppings are possible, assuming that each customer chooses at least one? Note: This problem is asking how...

For this problem, assume 7 males audition, one of them being Miles, 5 females audition, one of them being Julia, and 6 children audition. The casting director has 3 male roles available, 1 female...

A student downloaded 5 MUSIC FILES to a portable MP3 player. In how many different orders can the songs be played?

Please solve thi que.. A. 18 B. 21 C.24 D. 30 Please send me solution..

in how many ways can 6 papeerz in an examination be arranged so that the best and wrost paper never come together

In a cross word puzzle 20 words are to be guessed of which 8 words have each an alternative solution.the number of possible solution is ?

Statistics using permutations

Can anybody tell me how to determine whether a particular sum relates to permuatat or combinat?what is the major difference and what are the clues that indicates that a sum requires permutation formula...

There are 5 doors to a lecture room. In how many ways can a student enter the room through a door and leave the room by a different door?

Evaluate the expression. P(8, 3) ยท P(4, 2)

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