Question
A coin toss is used to determine which team will receive the ball at the beginning of a football game. The Cougars always choose heads in the toss. What are the odds in favor of the Cougars winning the toss in exactly two of three games?
A.3:5
B.3:8
C.5:3
D.8:3
A.3:5
B.3:8
C.5:3
D.8:3
Answers
The sample space is small, let's list the outcomes:
WWW
WWL
WLW
LWW
LLW
LWL
LLW
LLL
In how many are there exactly 2 W's
So what is the probability of that happening?
Now, use the definition of "odds" to answer your question.
Be confident of your answer!
WWW
WWL
WLW
LWW
LLW
LWL
LLW
LLL
In how many are there exactly 2 W's
So what is the probability of that happening?
Now, use the definition of "odds" to answer your question.
Be confident of your answer!
I still don't get it, I mean i get odds, but this question is confusing
How can it be confusing? I listed the possible outcomes.
You want 2 wins out of the 8 cases. There are 3 of those, look at them.
Prob(of that event) = 3/8
Prob(NOT that event) = 5/8
Now apply your odds definition
You want 2 wins out of the 8 cases. There are 3 of those, look at them.
Prob(of that event) = 3/8
Prob(NOT that event) = 5/8
Now apply your odds definition
Thanks for all your help, I get it now
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