drawing a club
total club =13
P(Club)= 13/52
drawing a 7
total 7 = 4
P(7) = 4/52
P(a club and a 7) = P(Club) + P(7) as events are mutualy exculisve
P(a club and a 7) = 13/52+4/52
P(a club and a 7) = 17/52
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Probability of drawing a heart: 1/4 Probability of drawing a club: 1/4 Probability of drawing a heart or a club: 1/4 + 1/4 = 2/4 = 1/2
The answer depends on how many cards are drawn.
There are 13 clubs in a deck of 52 cards. The probability of drawing 1 club from a deck of 52 is 13/52 or 1/4.
Probability of drawing a 7 or 9 is the probability of draw a 7 plus the probability of draw a 9 which is 4/52 + 4/52 = 8/52 = 2/13 = 0.1538.
In a standard deck of 52 cards, there are 13 clubs and 1 seven of hearts. The probability of drawing a club or the seven of hearts, then, is 14 in 52, or 7 in 26.