A card was selected at random from a standard deck of cards. The suit of the card was recorded, and then the card was put back i
n the deck. The table shows the results after 40 trials.
What is the relative frequency of selecting a diamond?
Outcome Club Diamond Heart Spade
Number of 8 12 11 9
trials
_________________________________________________
A.
23%
B.
25%
C.
30%
D.
42%
2 answers:
Relative frequency : total number of diamonds / total number of cards drawn = 11/40=0.3
The answer is 30% : C
30% is the answer to this question
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The answer is 4/7. see it from the multiple of 3...3*4 =12 and 3*7= 21. So this is the answer: 4/7.
Answer:
7
Step-by-step explanation:
collect like terms
14=-a+3a
2a=14
dividing both sides
a=7
Answer:
9-24=4(3)
-15=4×3
-15=12
