Mathematics
Medium
Question
10 books are placed at random in a shelf. The probability that a pair of books will always be together is_________?
A
1/10
B
9/10
C
1/5
✓ Official correct answer
D
3/10
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
1/10
No member explanations yet for this option.
B
9/10
No member explanations yet for this option.
C
1/5
No member explanations yet for this option.
D
3/10
No member explanations yet for this option.