Step-by-step explanation
We have a number cube numbered from 1 to 6, so we have:
• N(n > 5) = 1 (the only number greater than 5 is 6),
,
• N(total) = 6 (the total number of numbers in the cube is 6.
The probability of getting a number greater than 5 is:

Answer
P(n > 5) = 1/6 = 0.666..