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Mathematics 11 Online
OpenStudy (anonymous):

a pair of dice is thrown what is the probablity that they show a total of 2

OpenStudy (abb0t):

Well, you have a \(\sf \frac{1}{6}\) chance of throwing a 2. Since you have 6 sides, and only ONE two.

OpenStudy (anonymous):

but this is pair of dice

OpenStudy (anonymous):

i think since its two dice, the probability should be 1/36

OpenStudy (anonymous):

because there's only one possible way of getting a sum of 2 from 36 possible combinations

OpenStudy (anonymous):

what is the proper solution of this question

OpenStudy (anonymous):

first, you need to find the sample space

OpenStudy (anonymous):

i.e. the possible combinations on the two dice - 1,1 ; 1,2 ; 1,3 ; 1,4 ; 1,5 ; 1,6 2,1 ; 2,2 ; 2,3 .....etc..

OpenStudy (anonymous):

you'll get a total of 36 combinations... out of which only one combination 1,1 gives a two

OpenStudy (anonymous):

got it?

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

In a raffle, 1000 tickets are sold and there are ten prizes. What is the probability that someone buying 2 tickets wins the prize?

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