Answer
$P(1)=P(3)=P(5)=P(2)=P(4)=\frac{1}{5}.$
Work Step by Step
Here if the probability of getting a non $6$ number is $x$, then $P(1)=P(3)=P(5)=P(2)=P(4)=x.$
We know that $P(1)+P(2)+P(3)+P(4)+P(5)=1\\x+x+x+x+x=1\\5x=1\\x=\frac{1}{5}.$
Therefore $P(1)=P(3)=P(5)=P(2)=P(4)=\frac{1}{5}.$