An ordinary deck of playing cards has 52 cards

An ordinary deck of playing cards has 52 cards. There are four suits, spades ,hearts, diamonds, and clubs with 13 cards in each suit. Spades and clubs are black; hearts and diamonds are red. One of these cards is selected at random. Let A denote the event that a 9 is chosen. Find the probability that a 9 is chosen, and express your answer in probability notation.The probability that a 9 is chosen is {A}, P(A), Pa, Ap =____________ (Type an integer or a decimal. Round to three decimal places as needed.)