If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a spade or Queen? Your answer must be accurate to three decimal places.
There are 13 spades in a deck, so the probability to choose some spade is
P(spade) = 13/52 = 1/4.
There are 4 queens in a deck, so the probability to choose a queen is