The probability of the month of April of a leap year having $5$ Fridays is $\ldots \ldots \ldots$

$A$ balanced die is thrown. Find the probability that the number on the die is smaller than $3$.

$A$ card is selected from a deck of $52$ cards. The probability of its being a red face card is

In a packet containing $400$ screws,$120$ screws are defective. $A$ screw is picked up randomly from the packet. Then,the probability that the screw picked up is non-defective 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.

Two balanced dice are rolled simultaneously. Then,the probability that the sum of numbers on the dice is $2$ is ............