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Mathematics 18 Online
OpenStudy (anonymous):

Suppose you roll two die. Find the number of elements in the event space of rolling a 9?

OpenStudy (cwrw238):

9 can be 5 and 4 , or 3 and 6

OpenStudy (anonymous):

but whats the fraction that should go there? i'm confused.

OpenStudy (cwrw238):

sorry i'm not sure also i'm not sure what you mean by number of elements in this context.

OpenStudy (anonymous):

so how many elements?

OpenStudy (anonymous):

(5,4) , (4,5) , (6,3) , (3,6) Each pair is an element in the sample space if you are regarding them as unordered elements, if you are talking about combinations, that would be only 2

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