Getting an odd number in a single roll of a die.

1/2

Step-by-step explanation:

The chance of getting a odd number is 1 in 2 chances because a die has 6 sides and there are 3 even numbers and 3 odd numbers so the ratio is 1:2

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: