I have been trying to figure these out all day if someone could help me thatd be great!! I got the first part down but the second part is really bothering me:
A certain code is a sequence of 6 digits of which any can be repeated. What is the probability of guessing a given code?
- so the answer is 6! = 720, so the probability is 1/720
But this part is really bothering me:
A)Repeat problem 3. for 3 digits and 3 letters. Assume any digit or letter can be repeated in the sequence.
B). Repeat problem 4. if the digits and letters cannot be repeated.
I first used the combination rule but my work has showed me that it cancels each other out from the 3C3 rule leaving me with 1.
A certain code is a sequence of 6 digits of which any can be repeated. What is the probability of guessing a given code?
- so the answer is 6! = 720, so the probability is 1/720
But this part is really bothering me:
A)Repeat problem 3. for 3 digits and 3 letters. Assume any digit or letter can be repeated in the sequence.
B). Repeat problem 4. if the digits and letters cannot be repeated.
I first used the combination rule but my work has showed me that it cancels each other out from the 3C3 rule leaving me with 1.
