- muscrat123

WILL MEDAL AND FAN
how do u find the theoretical probability

- schrodinger

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- muscrat123

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## More answers

- anonymous

is that the whole question ??

- muscrat123

no. it my personal question

- muscrat123

to help solve a different ?

- muscrat123

? = question

- anonymous

no im just saying b/c thats non specific question.
you dont find it, its a way of thinking that can relate to possible answers, get what im saying ?

- muscrat123

sorta. but my school says this is how u find it and i dont understand
\[\frac{ outcomes }{ number~of~possible~outcomes }\]

- anonymous

its like weighing the options you have. idk how to explain it

- muscrat123

yes!!!

- SolomonZelman

theoretical theory... lol...

- muscrat123

thats exactly what im trying to do. hang on

- muscrat123

##### 1 Attachment

- SolomonZelman

a coin can fall on either heads or tails.... (right?)
So how many possible outsomes is there?

- anonymous

2

- SolomonZelman

flipping the coin 100, omg, slap the teacher:O

- muscrat123

i posted in comments what i have to submit

- muscrat123

i have to flip TWO coins 100 times lol

- anonymous

@Mehek14 :)

- muscrat123

meow

- SolomonZelman

ok... experimental probability.
Do you know what this term means?

- anonymous

meow

- muscrat123

the number of desired outcomes divided by the total # of trials.
what is a desired outcome?
and the total # of trials is what? in this case

- anonymous

correct!

- SolomonZelman

the desired number of outcomes varies.
the total number fo trials is 100

- SolomonZelman

the I mean number of desired outcomes.

- anonymous

~meow~

- muscrat123

but what is the desired # of outcomes in this case? IM SO CONFUSED :( !!!!!!!!!

- anonymous

o wait no sorry

- anonymous

i made a mistake sorry

- muscrat123

@emma.elizabeth5683

- SolomonZelman

For a question:
2. What is the experimental probability that a coin toss results in two heads showing?
desired outcome is when both coins lands on heads.
the number of desired outcomes, is the number of times when both coins landed on heads.
the total number of trials is the number times you have tossed (i.e. 100)

- anonymous

Number of ways to succeed is one
Number of possible outcomes is two
Probability of getting heads is 1/2

- muscrat123

so 32 / 100 for theoretical probability?

- SolomonZelman

number of desired outcomes / total number of trials
is experimental probability

- muscrat123

i meant 32 / 3

- muscrat123

or 100 / 3?

- muscrat123

im so confused

- anonymous

what is your exact question given to you? c:

- SolomonZelman

so experimental probability (for question 2) is:
(if you don't remember question 2, please read it)
\(P=\rm (number~of~desired~outcomes)/(total~number~of~trials)\)
\(P=\rm (32)/(100)\)
\(P=\rm 0.32~~~~~or,~~8/25\)

- muscrat123

i said 32/100 first!!!

- SolomonZelman

yes

- muscrat123

its 32% for the theoretical probability, yes?

- SolomonZelman

and that is experimental probability for tossing both coins tails

- SolomonZelman

i confused the info
2 tails = 28 times
2 heads = 32 times

- muscrat123

yes

- SolomonZelman

So, for question 2 it is 32%
and for question 4 it is ? (do the same thing as we did for question 2)

- muscrat123

wait...im still on ? #1

- muscrat123

whats #1?

- SolomonZelman

u know what "theoretical probability" is?

- muscrat123

no..that was my initial question

- muscrat123

well sorta

- muscrat123

- muscrat123

- campbell_st

theoretical probability is what you expect to happen
if you toss a coin P(head) = 1/2 and P(tail) = 1/2
its as simple as that

- SolomonZelman

theoretical probability.
We don't look at any experiments that took place before. How many outcomes does a paticular operation (for ex. tossing a coin) can have?
Now, what are the chances that it will behave in a particular way?
The coin example:
A coin can land on either heads or tails. What is a chance that coin lands on tails?
It is 1/2....
So the theoretical probability of the coin landing on tails is 1/2.

- muscrat123

so it is 33%?

- SolomonZelman

What is the chance that both coins will land on heads?
The first coin has a 1/2 (or 50%) chance of landing on heads.
The second coin has a 1/2 (or 50%) chance of landing on heads as well.
But these are dependent events (since you want both of these to occur, so that both coins land on heads).
This means that we multiply the probabilities/chances.
Â½ â€¢ Â½ = Â¼ (or 25%)

- SolomonZelman

Again, we aren't looking at how many times you have tossed the coins.
The experiment is IRRELEVANT to any theoretical probability question that you have.

- muscrat123

im still really confused and it needs to be done by 5

- muscrat123

!!!

- muscrat123

- anonymous

what the question

- Elsa213

@KyanTheDoodle is smart. Probably she can help. c:

- muscrat123

i attached it in the comments. ill attach it again though

- muscrat123

##### 1 Attachment

- muscrat123

im having trouble determining what a desirable outcome is

- muscrat123

- muscrat123

@Skielerlucas04 plz DONT LEAVE!!!

- muscrat123

\(im~very~desperate!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~\)

- anonymous

idk how to do this, i have a LOT of work to do myself

- muscrat123

do u know what a desirable outcome is?

- muscrat123

@SolomonZelman can u help me more?

- muscrat123

ughhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

- muscrat123

- muscrat123

- muscrat123

HELP!!!!!!!!!!!!!!!!!!!!!!!

- Kash_TheSmartGuy

Ok. calm down

- Kash_TheSmartGuy

Let's start with an example okay?

- Kash_TheSmartGuy

- Kash_TheSmartGuy

Suppose you have a coin and your favor is to have tails. The theoretical probability would be:
\[\frac{ Possible FovorableOutcomes }{ Number Of Outcomes }\]So that would result in a theoretical probability of \[\frac{ 1 }{ 2 }\]

- Kash_TheSmartGuy

- muscrat123

nevermind. i figured it out on my own. and it would be 33.3% , not 50% bc there are 3 possible outcomes

- Kash_TheSmartGuy

I mentioned jay because in middle of testing.

- KyanTheDoodle

Woah! Woah woah! I don't know how to read!

- muscrat123

- muscrat123

u dont know how 2 read?

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