When rolling two number cubes or a set of six-sided dice, what is the probability of rolling a 7?

A. 1/36
B. 1/18
C. 1/6
D. 1/3

Question

When rolling two number cubes or a set of six-sided dice, what is the probability of rolling a 7? 



 A. 1/36 
 B. 1/18 
 C. 1/6 
 D. 1/3

i<3mybaby · Answer

@adamaero

adamaero · Answer

I would like to eat muffins of turtles

i<3mybaby · Answer

I think it's A... but I am not sure

anonymous · Answer

This experiment's sample space is small enough to write out.

How many 7's are in that sample space? Just look at the long diagonal.

6/36 = 1/6.

i<3mybaby · Answer

huh

i<3mybaby · Answer

I don't get this @adamaero

anonymous · Answer

Can you elaborate on the part you don't understand?

adamaero · Answer

the numbers have to add up to 7
but each die has a maximum of 6 on it

i<3mybaby · Answer

Easy the whole math part because yes there is both but the answer is one of the 4 I have up there

adamaero · Answer

just follow the lower left corner of the chart up diagonally to the upper right corner 
it's all those added up 1/(their amt)

i<3mybaby · Answer

oh the 6,1

adamaero · Answer

yes

i<3mybaby · Answer

I meant 6/1

adamaero · Answer

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