Identify the resulting probability as theoretical or experimental.
The outcomes for rolling a number cube with faces labeled 1− 6 are equally likely. Find the probability that the number rolled is at least a 4.
A.
The experimental probability is .
1/2
B.
The experimental probability is . 1/3
C.
The theoretical probability is .
1/2
D.
The theoretical probability is . 1/3
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OpenStudy (anonymous):
@knaim @ganeshie8
ganeshie8 (ganeshie8):
we're not doing any experiments here
so the probability wud be theoretical
OpenStudy (anonymous):
ok
ganeshie8 (ganeshie8):
how many numbers are atleast a 4 ?
OpenStudy (anonymous):
1?
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ganeshie8 (ganeshie8):
nope, what are all the outcomes when u roll a die ?
ganeshie8 (ganeshie8):
total outcomes :
1, 2, 3, 4, 5 ,6
ganeshie8 (ganeshie8):
How man numbers in the above list are atleast 4 ?
OpenStudy (anonymous):
3!
ganeshie8 (ganeshie8):
Yes ! so the probability for getting a number which is atleast 4 is ?
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OpenStudy (anonymous):
D?
ganeshie8 (ganeshie8):
probability = (number of favorable outcomes) / (total number of outcomes)
ganeshie8 (ganeshie8):
= 3/6
= ?
OpenStudy (anonymous):
1/2 so c?
ganeshie8 (ganeshie8):
Yes !
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