(One intermediate revision by one other user not shown)
Line 11: Line 11:
 
The only elements of the set that the two heads, but not three apply to are the HHT, THH out of the total 8. (HHH) does not apply.
 
The only elements of the set that the two heads, but not three apply to are the HHT, THH out of the total 8. (HHH) does not apply.
  
-Michael
+
-mkburges
 +
 
 +
The coin is only flipped 3 times, so I don't think TTHHT is possible.

Latest revision as of 11:01, 22 February 2009

Back

So for this one are we assuming it's a fair coin, or probability p that it will flip heads? Does it matter?

I really don't think it matters, you only have two outcomes H or T. And for this you're finding the possible ways each event could occur. And the probability that the event will occur it the number of possible outcomes for that event divided by the total number of outcomes. Hope that helped! ---Kristen 19:42, 18 February 2009 (UTC)

In parts B&C, where it says "two, and not three, heads come up in a row" could you still have TTHHT, or does it have to be HHT? -Stephanie

The only elements of the set that the two heads, but not three apply to are the HHT, THH out of the total 8. (HHH) does not apply.

-mkburges

The coin is only flipped 3 times, so I don't think TTHHT is possible.

Alumni Liaison

Basic linear algebra uncovers and clarifies very important geometry and algebra.

Dr. Paul Garrett