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Mathematics 21 Online
OpenStudy (anonymous):

Section: Frequency: M 21 A 26 T 25 H 28 compare the theoretical probability to the experimental probability of landing on H. @perl @Music_me @bibby @jigglypuff314

OpenStudy (anonymous):

Please help :( anyone?

OpenStudy (anonymous):

I know the experimental is 7/25 but I don't know theoritical...

OpenStudy (anonymous):

So, there r 100 in total when u add all of'em up, so 100 would be the denominator. There r 4 letters, so 100 divided by 4 is 25: 25/100. Now, u simplify that.

OpenStudy (anonymous):

no. It says it is a spinner with four equal size sections marked m a t h

OpenStudy (anonymous):

Music_me can't be simplified.

OpenStudy (anonymous):

o wait it can

OpenStudy (anonymous):

But is that correct? I tried that but I thought it was wrong

OpenStudy (anonymous):

Well, what did u get when u simplified?

OpenStudy (anonymous):

4/25

OpenStudy (perl):

since each letter is theoretically equally likely, you should have 1 in 4 chance for H

OpenStudy (anonymous):

yea and thats 25/100 so you simplify it

OpenStudy (anonymous):

No it's not 4/25

OpenStudy (anonymous):

I get it.. but I have one more question

OpenStudy (anonymous):

5/25 music_me

OpenStudy (anonymous):

which is 1/5

OpenStudy (anonymous):

No. 25/100 simplified is actually 1/4 bcz 100 divided by 25 is 4 & 25 divided by 25 is 1

OpenStudy (anonymous):

Manny rolls a number cube labeled 1 through 6 and spins a spinner with four equal sections, labeled 1,2,3,4 if both numbers are odd, he wins. Otherwise, Gabriel wins. Use a list to find the sample space. then find the probability that gabriel wins

OpenStudy (anonymous):

Can u help me with that ^?

OpenStudy (anonymous):

Sure

OpenStudy (anonymous):

2 parts to the question...

OpenStudy (anonymous):

So, let's fist do the list

OpenStudy (anonymous):

There r 6 sides to the number cube & 4 sections to the spinner. Now, there will b 24 combinations in the list & I will only give u the first 4 u name the rest ok?

OpenStudy (anonymous):

ok?

OpenStudy (anonymous):

1, 1; 1, 2; 1, 3; 1, 4

OpenStudy (anonymous):

?

OpenStudy (anonymous):

Ok so, the list is practically just combinations. Like the ones I gave. 1, 1; 1, 2; 1, 3; 1, 4; 2, 1; 2, 2; 2, 3; 2, 4

OpenStudy (anonymous):

I did 5 odd in a spinner and a cube so I added the outcomes up got 5/10 and 1/2... which is wrong... :/?

OpenStudy (anonymous):

im confused..

OpenStudy (anonymous):

oh wait we have to make a list of like 1;1 1;2 1;3 1;4 1;5 1;6 2;1 2;3 2;4 all the way to 6 and see which is odd??

OpenStudy (anonymous):

yes or no?

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

Ok so wait

OpenStudy (anonymous):

1;1 1;2 1;3 1;4 1;5 1;6 2;1 2;2 2;3 2;4 2;5 2;6 3;1 3;2 3;3 3;4 3;5 3;6 4;1 4;2 4;3 4;4 4;5 4;6 5;1 5;2 5;3 5;4 5;5 5;6 6;1 6;2 6;3 6;4 6;5 6;6 Now count which are odd? thats my answer??

OpenStudy (anonymous):

No, the total for the odd has to do more with finding the probability

OpenStudy (anonymous):

so what do I do with this list??

OpenStudy (anonymous):

Remember I told u that there were 24 combinations in the list. Well, that is the denominator fir the ftraction

OpenStudy (anonymous):

oh so its 18/24 which is reduced to 6/8 which then reduces to 3/4 is that my answer?

OpenStudy (anonymous):

Yes correct! :)

OpenStudy (anonymous):

Thanks

OpenStudy (anonymous):

YW

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