Given
There 52 cards in a deck.
To find:
The probability that the given card is a nine or a red card.
Explnation:
It is given that,
There are 52 cards in a deck.
Then,
The number of nine card in the deck of 52 cards is,

The number of red cards in the deck of 52 cards is,

Therefore,

Hence, the probability is, 7/13.