Helping Examine get through Maths Extension 1 for the HSC (1 Viewer)

[Examine]

Will be continually posting questions which I cannot do throughout the year. Anyway, thanks in advanced for helping

Currently going through:
Integration

 

[Trebla]

I suggest you have different threads for different sets of specific questions as they come along rather than put it all in one thread.

 

[asianese]

Aiyah enjoy your holidays ==

 

[Skycineia]

Bump

 

[Examine]

An ape uses a simplified typewriter with only the letters A, B and C on it. What is the probability in typing two letters the same?

I'm not sure with this one, I thought it would be 3!/2*2*2 though it's obviously not that. I'd rather not resort to trial and error so is there a specific way I was supposed to do to answer the question?

 

[RealiseNothing]

An ape uses a simplified typewriter with only the letters A, B and C on it. What is the probability in typing two letters the same?

I'm not sure with this one, I thought it would be 3!/2*2*2 though it's obviously not that. I'd rather not resort to trial and error so is there a specific way I was supposed to do to answer the question?

I already told you the answer already.

I see how much you trust me.

 

[slyhunter]

I suggest you have different threads for different sets of specific questions as they come along rather than put it all in one thread.

Please note this, Examine

 

[RealiseNothing]

And I just did a nerdasdasd, far out.

 

[Examine]

I already told you the answer already.

I see how much you trust me.

Realise's answer: Between 0 and 1

lol

 

[Examine]

Please note this, Examine

Will do. Should I make a new thread for this question or for the future?

 

[slyhunter]

Will do. Should I make a new thread for this question or for the future?

I'll let this one pass, but for future questions, yes.