A few days ago
Probability math question help?!10 points best answer?
Three tiles are marked X and the other two tiles are marked O. The five tiles are randomly arranged in a row. What is the probability that the arrangement reads XOXOX? Does anyone know the formula for this question? BEST ANSWER GETS 10 POINTs!!!!!!! im not asking for the answer( to those wholl tell me to do my homework myself) im asking for the formula to find the answer. THANX to whoever helps.
Top 5 Answers
A few days ago
Favorite Answer
what is the odds of laying the first tile as an X?
3/5
what is the odds of laying the second tile as an O?
2/4
what is the odds of the third tile being an X?
2/3
next an O?
1/2
next an x?
1/1
1/1 x 1/2 x 2/3 x 2/4 x 3/5 = ?
1/10?
0
A few days ago
you have 3 x’s and 2 o’s….therefore the probability is
3 x 2 x 2 x 1 x 1
Why?
For the first x, you have 3 possible tiles you can draw that will give you an X.
First O, you have 2 tiles you can draw that give you an O.
Second X you have 2 tiles you can draw that give you an X.
Second O you have 1 tile you can draw that gives you an O.
Final X you have 1 X you can draw that gives you an X.
0
A few days ago
I agree with Can N (except maybe for the “what IS the odds” fiasco…). I also got 1/10 as my answer although I tried a different approach. Simply put, the only possible arrangements (I could think of) are XXXOO, XXOXO, XXOOX, XOXXO, XOXOX, XOOXX, OXXXO, OXXOX, OXOXX, OOXXX. Therefore, the probability is 1/10. I’d say give Can N the 10 points for the best answer.
0
A few days ago
since there are five tiles wouldn’t it be 5 time 4 times 3 times 2 times 1=120 ways
0
5 years ago
get common denominators, then use your basic functions and order of ops. so (12/10)+(4/10)/(39/10)*(55/10). =344/195=1.7641
0
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