$A$ die is thrown. Find the probability of the following event: $A$ number greater than or equal to $3$ will appear.

If two fair dice are rolled,then the probability that the sum of the numbers on the upper faces is at least $9$,is

Three identical dice are rolled. The probability that the same number will appear on each of them is:

Two dice are thrown simultaneously. The probability of obtaining a total score of $5$ is

Two fair dice are tossed. Let $A$ be the event that the first die shows an even number and $B$ be the event that the second die shows an odd number. The two events $A$ and $B$ are

$A$ bag contains $9$ discs of which $4$ are red,$3$ are blue and $2$ are yellow. The discs are similar in shape and size. $A$ disc is drawn at random from the bag. Calculate the probability that it will be yellow. (in $/9$)