Answer:
4/13
Step-by-step explanation:
There are 4 jacks in the deck and 13 spades. However 1 jack is a spade so we have a total of 16 cards which are either a jack or a spade. Therefore there are (13 + 4 - 1)/52 cards which are not a jack or a spade. Divided 16/52, thus the probability is 4/13.
The probability of drawing a spade or a jack from a standard deck of 52 cards is;
P(drawing either a spade or jack) = 4/13
We are told that the standard deck of cards has 52 cards.
Thus;
N = 52
Now,in a pack of cards there are usually 4 Jacks and 13 spades.
However, among the 4 Jacks, 1 of them is a spade. This means that 1 card will be both a spade and a jack. Thus,
Possible number of Jack's and spades = 13 + 4 - 1 = 16
Thus;
P(drawing either a spade or jack) = 16/52 = 4/13
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