You roll a fair 6 - sided die. What is P (roll less than 4)

The probability is 1/2 or 50%

Step-by-step explanation:

P (roll less than 4) = Probability of rolling less than 4

There are 3 numbers that are less than 4.

1, 2, 3, 4, 5, 6.

There is a total of 6 sides.

So,

3/6 simplified to 1/2 or 50%