If $P(C) = \frac{2}{5}$,then $P(\bar{C}) = \ldots \ldots \ldots$

Two balanced dice are rolled simultaneously. Then,the probability that the sum of the numbers on two dice is a prime number is ............

$A$ balanced die is thrown once. Find the probability of getting a prime number.

$A$ card is drawn at random from a well-shuffled pack of $52$ cards. The probability that the card drawn is an ace of a red suit is ...........

There are $5$ red,$8$ white,and $4$ green balls in a box. If one ball is drawn at random from the box,find the probability that the ball drawn is white.

$A$ card is drawn at random from a well-shuffled pack of $52$ cards. The probability of that card being a jack of a black suit is .........