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okay so the way a probability distribution works, is that it tells you what probaiblity of all the outcomes
there are 3 outcomes here 0 out of 2 free throws made 1 out of 2 2 out of 2
what is the proability associated with eacch outcome?
is 0 equal to 0.3025?
can u tell me how u got that, so i can see if its right
doing the probability formula?
okay so here let me help u clear any doubts out
okay so out of all the possibilities there is only 1 where there are 3 FAILs
0.55 of 0.55 of 0.55 of the time it will be F,F,F
0.55^3 is the prob of 3 fails or no free throws made
shouldnt it be 0.45^3?
that is S,S,S thats when he makes all the free thrwos
I think you should really really understand that tree diagram, its very very important
it's probably the single most important thing in all of your probability learning
once u understand that, only then can you continue on in life
then explain please
okay so tell me what u need to understand about tree diagram
I get that is dividing success over fails
but idk how to apply it to this problem
what do u mean dividing sucess over fails
that the probability that he has of successing in the throw is over the probability of him failing
no thats not right
then im lost :/
okay lets try a more fundemantal problem
can you tell me what this tree diagram represents
the probability for heads or tails?
be more specific
how many coin tosses does it talk about here
this whole tree diagram represents everything that can happen in 2 coin flips
but 0.5+0.5 is 1
thats why I thought 1
okay lets take it slow, i think right now u are not fully understanding, okay :)
im gonna make this fun for u
probability is very easy once u get it
okay so lets talk about 2 coin flips okay
so u flip one coin, and its either heads or tails, 1/2 of the time its heads, 1/2 of the time its tails. When you flip the coin again, there can be 2 previous conditions when u are flipping it for the 2nd time, you could have either gotten heads, or you could have gotten tails, there is 1/2 chace u are in the cases of heads first and 1/2 chance u are in the case of tails first now with in that 1/2 chance there is a new set of heads or tails, so 1/2 of that 1/2 chance its heads and 1/2 of that 1/2 chance its tails now
1/2 of 1/2 = 1/4 so each of these paths happens a quarter of the time |dw:1446530940708:dw|
are you understanding?
the only difference for your problem is now H and T are not exactly 1/2 and 1/2 chance but, 0.45 and 0.55 chance
lol whats funny (I know I suck with probability xD)
noo noo lol u dont!! i promise u once u get this ull laugh
i dont know lol I hope so but im sleepy as well xD
okay so what we are really doing with your problem is we are trying to figure out what the probability of each path is
for the 2 coins there are 4 paths and all of them happen with 1/4th probability
and since mine are 2 throws it would be 4 paths as well?
except the only different is its not an even split okay u see how 1/4 and 1/4 added upto the 1/2
now we will have a different kind of split adding p to 0.45!
yeah I got 9/20 and 11/20
for the 0.45 and 0.55
0.45 = 9/20 yes that is its fraction equivalent
and the 0.45 divided by 2 would be 9/40 and 0.55 is 11.40
now find the probability of each of these 4 paths
xD no why u dividing by 2
because one the 1/2 one it showed as 1/4
okay so look at the 2 SS case where its S and S
9/20 * 9/20 = SS, the prob of scoring tiwce
ohhh ok I got it now hold on
then the second one would be 0.495
which 2nd one
oooo i think this is looking right
1 is definately right
but 0 and 2 are wrong
for there to be 0 it means u had FF|dw:1446531902600:dw|