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kandicelima01
15.07.2019 •
Mathematics
Find the probability of drawing a face card or a 3 from a standard deck of cards.
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Ответ:
Four 3s mean 16 cards of 52 satisfy our event.
Ответ:
Face cards includes: Jack, Queen, King, and 1
We are also including cards worth: 3
There are 4 of each cards.
J = 4
Q = 4
K = 4
1 = 4
3 = 4
Add all of them up.
4 + 4 + 4 + 4 + 4 = 20
There are 20 cards that have a face card or is a 3.
Now place the amount you got with the total.
20/52 is the fraction probability.
Divide 20 with 52
20/52 = 0.3846
0.3846 is the decimal probability (or rounded = 0.38)
To find the percentage probability, move the decimal point to the right two place values
0.3846 becomes 38.46%.
hope this helps!
Ответ:
Out of these options:
A) 1/8
B) 1/4
C) 1/2
D) 3/2
The answer is C) 1/2