The table shows the results of rolling a number cube, with sides labeled 1 through 6, several times.
What is the experimental probability of rolling a 3 or a 6?
Express your answer in simplest form.
outcome 1 2 3 4 5 6
# of outcomes 10 6 4 8 6 6
I know the denominators 20, what is the numerator
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OpenStudy (anonymous):
HELP HELP HELP
OpenStudy (wmj259):
Add together how many times the dice was rolled and then add together the number of times a 3 or 6 was rolled.
Divide the number of times a 3 or 6 was rolled by the total amount of rolls.
OpenStudy (anonymous):
for 6 it is 20/3
OpenStudy (anonymous):
and for 3 it is 40/3
OpenStudy (anonymous):
now what
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OpenStudy (anonymous):
do i divide 20/3 and 40/3 or something?
OpenStudy (anonymous):
i think the whole answer is 1/5
OpenStudy (anonymous):
i think the answer is 1/5
OpenStudy (rizags):
i dont get the question. Are you asking whats the probability of rolling a 3 or 6 on any given die numbered 1-6?
OpenStudy (anonymous):
yes
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OpenStudy (wmj259):
You add together # of outcomes to get 1 number, which is 40.
Then you add together the 3 of outcomes for 3 and 6. Divide those by total # of outcomes.
OpenStudy (anonymous):
what is the answer, i just want it now, i have grown impatient
OpenStudy (wmj259):
O.o
OpenStudy (anonymous):
so 3/40 divided by 6
OpenStudy (wmj259):
(4+6)/40
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OpenStudy (anonymous):
@wmj259
OpenStudy (anonymous):
i will tell u what i get
OpenStudy (rizags):
its (4+6)/40
OpenStudy (anonymous):
i got 9/40
OpenStudy (wmj259):
@Rizags, yes what Rizags said..................
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OpenStudy (rizags):
how?
OpenStudy (wmj259):
@Minecraft_Stampy_Lovr, you messed up then.
OpenStudy (anonymous):
what is it? and how @wm
OpenStudy (anonymous):
@wmj259
OpenStudy (anonymous):
i am like confused here, plz help @wmj259 , u r my only hope and u too @Rizags
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OpenStudy (anonymous):
it is 1/4
OpenStudy (rizags):
add all posibilites of a 3 or 6 (4 and 6 respectivley) then divide that by the total number of possiblities (10+6+4+8+6+6=40)
OpenStudy (anonymous):
is that it
OpenStudy (wmj259):
Yes. thats it.
OpenStudy (rizags):
yes thats it, in simplified form
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OpenStudy (anonymous):
the answer, is it
OpenStudy (anonymous):
1/4 is the answer?
OpenStudy (anonymous):
wow
OpenStudy (anonymous):
that was a while, but we did
OpenStudy (anonymous):
thx guys
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