The following cards were dealt from a shuffled standard deck of cards: spades: 3, 4, 6,J, Q,K
clubs: A, 2.5, 7. J. K
hearts: A, 2,5
diamonds: A,2,3,6, K
Based on the dealt cards, what is the experimental probability of dealing a black card?
ОА
60%
ОВ.
50%
OC. 25%
OD. 40%
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a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional

22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

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