Sagot :
There are 10 even numbers (count 2, 4, 6, 8... 20; or via shortcut, 20 divided by 2)
There are 20 numbers in total from 1 to 20.
So the probability is 10 / 20, or 1/2.
There are 10 even numbers (count 2, 4, 6, 8... 20; or via shortcut, 20 divided by 2)
There are 20 numbers in total from 1 to 20.
So the probability is 10 / 20, or 1/2.