question archive A card is drawn from a standard deck of 52 playing cards
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A card is drawn from a standard deck of 52 playing cards. Find the probability that the card is an ace or a heart.
a. 3/13
b. 4/13
c. 7/52
d. 2/13
Answer:
B )
Step-by-Step explanation
Calculation:
n(S)= 52
Let A be the event of getting an ace :
n(A) = 4
Probability that selecting an ace card = n(A)/n(S) = 4 /52
Let B be the event of getting a heart :
n(B) = 13
Probability that selecting a heart card = n(B) /n(S) = 13/52
P(A and B) = 1/52
The probability that the card is an ace or a heart :
P(A or B) = P(A) +P(B)-P(A and B)
P(A or B) = (4/52)+(13/52)-(1/52)
P(A or B) = 16/52 = (4/13)
The answer is 4/13.