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den301095 [7]
3 years ago
5

I need help. First answer that explains well gets to be marked brainlist. Extra points

Mathematics
1 answer:
Blababa [14]3 years ago
3 0
The empirical probability of a 4 or 5 is
  (count of outcome = 4 or 5)/(count of all outcomes) = (44 +40)/240 = 7/20

The problem statement asks you to assume the outcomes will remain in this proportion going forward. That is, the number of outcomes (n) of 4 or 5 in the next 60 rolls of the number cube is expected to satisfy
  7/20 = n/60

Multiplying that by 60 gives
  n = 60*(7/20) = 21

Selection D is appropriate.
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Which of the following equations has only one solution? x2 + 4x + 4 = 0 x2 + x = 0 x2 - 1 = 0
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4 0
2 years ago
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What is 2+21*13-45+12*67
sleet_krkn [62]

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Step-by-step explanation:

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grandymaker [24]

Answer:

The right option is B) 12.60

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