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14. Two fair dice are thrown. What is the sample size n(s)? a) What is the probability of obtaining a sum of 7? c) d) What is the probability of obtaining an even sum? What is the probability of not obtaining an even sum? What is the probability of not getting an odd number?
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Answer #1
Sum 2 3 4 5 6 7 8 9 10 11 12
Probability rac{1}{36} rac{2}{36} 36 rac{4}{36} rac{5}{36} rac{6}{36} rac{5}{36} rac{4}{36} 36 rac{2}{36} rac{1}{36}

n(S)=36

a)6 36 6

b)rac{1+3+5+5+3+1}{36}=rac{18}{36}=rac{1}{2}

c)1-rac{1}{2}=rac{1}{2}

d) rac{1+3+5+5+3+1}{36}=rac{18}{36}=rac{1}{2}

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