- #1
Alexsandro
- 51
- 0
Could someone help me with this question ?
There are two locks on the door and the keys are among the six different ones you carry in your pocket. In a hurry you dropped one somewhere.
a) What is the probability that you can still open the door ?
b) What is the probability that the first two keys you you try will open the door ?
The answers are:
a)2/3
b)4!/6!
There are two locks on the door and the keys are among the six different ones you carry in your pocket. In a hurry you dropped one somewhere.
a) What is the probability that you can still open the door ?
b) What is the probability that the first two keys you you try will open the door ?
The answers are:
a)2/3
b)4!/6!