Register

Kenneth Rosen Edition 7 Exercise 6.3 Question 35 (Page No. 414)

406 views

1 Answer

0 votes
0 votes
Well, you have 8 01s and then 2 1s left over.

Say a = 01 and b = 1.

You are then basically looking to find the number of unique strings with 8 a's and 2 b's.

For example, aaaaaaaabb

C(10,8)=10*9/2=45
User Avatar
Voting & Accepting an answer helps improve the community
← PreviousNext →
← Previous in categoryNext in category →

Related questions

0 votes
0 votes
1 answer
1
admin asked Apr 29, 2020
703 views
Kenneth Rosen Edition 7 Exercise 6.3 Question 38 (Page No. 414)
How many ways are there to select $12$ countries in the United Nations to serve on a council if $3$ are selected from a block of $45, 4$ are selected from a block of $57,$ and the others are selected from the remaining $69$ countries?
How many ways are there to select $12$ countries in the United Nations to serve on a council if $3$ are selected from a block of $45, 4$ are selected from a block of $57,...
User Avatar
0 votes
0 votes
1 answer
2
admin asked Apr 29, 2020
588 views
Kenneth Rosen Edition 7 Exercise 6.3 Question 37 (Page No. 414)
How many bit strings of length $10$ contain at least three $1s$ and at least three $0s?$
How many bit strings of length $10$ contain at least three $1s$ and at least three $0s?$
User Avatar
1 votes
1 votes
1 answer
3
admin asked Apr 29, 2020
415 views
Kenneth Rosen Edition 7 Exercise 6.3 Question 36 (Page No. 414)
How many bit strings contain exactly five $0s$ and $14\:\: 1s$ if every $0$ must be immediately followed by two $1s?$
How many bit strings contain exactly five $0s$ and $14\:\: 1s$ if every $0$ must be immediately followed by two $1s?$
User Avatar
0 votes
0 votes
1 answer
4
admin asked Apr 29, 2020
2,271 views
Kenneth Rosen Edition 7 Exercise 6.3 Question 34 (Page No. 414)
Suppose that a department contains $10$ men and $15$ women. How many ways are there to form a committee with six members if it must have more women than men?
Suppose that a department contains $10$ men and $15$ women. How many ways are there to form a committee with six members if it must have more women than men?
User Avatar
Link Copied!