Answer:
Step-by-step explanation:
The total sum of the answers or sums that we can get when we roll a pair(2) dice is 36. Yes, there are repeated sums.
All the even sums: 2,4,6,4,6,8,4,6,8,6,8,10..., if you notice, there are 18 even sums.
All the sums that are odd by greater than 7: 9,9,9,11,9,11, if you notice, there are 6 of them.
Total: 6 + 18 = 24
Probability(A) = number of favorable outcomes/ total number of outcomes
The probability is 24/36 = 2/3
The probability of rolling an even sum or a sum greater than 7 when a pair of dice is rolled is 2/3.
Probability refers to a possibility that deals with the occurrence of random events.
We need to find the probability of rolling an even sum or a sum greater than 7 when a pair of dice is rolled.
The total sum of the answers or sums that we can get when we roll a pair(2) dice is 36.
All the even sums: 2,4,6,4,6,8,4,6,8,6,8,10...,
there are 18 even sums.
All the sums that are odd by greater than 7: 9,9,9,11,9,11, there are 6 of them.
Total: 6 + 18 = 24
Probability(A) = number of favorable outcomes/ total number of outcomes
Therefore, The probability is 24/36 = 2/3
Hence, the probability of rolling an even sum or a sum greater than 7 when a pair of dice is rolled is 2/3.
Learn more about probability here;
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