The probability of rolling two numbers with a sum of 4 is 18/49 if the student rolls two non-standard number cubes, each with the numbers 1 through 3 on it option (C) is correct.
It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.
From the table,
The total number of outcomes = 6+5+10+8+10+10 = 49
The total number of favorable outcomes = 10+18 = 18
The probability of rolling two numbers with a sum of 4:
= 18/49
Thus, the probability of rolling two numbers with a sum of 4 is 18/49 if the student rolls two non-standard number cubes, each with the numbers 1 through 3 on it option (C) is correct.
Learn more about the probability here:
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