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avanturin [10]
3 years ago
15

Để đánh giá mức độ cân đối giữa thời gian học bài ( Y: giờ/ngày ) và thời gian vui chơi ( X: giờ/ngày ), người ta khảo sát 120 h

ọc sinh và thu được bảng kết quả sau
Mathematics
1 answer:
Naya [18.7K]3 years ago
3 0

Answer:

Dygjsu5, you rugigb jfifidodod ifusud8guvi ivic

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P(red) = 1/5     [that says "probability of getting red is one fifth"
P(green) = 1/5
P(blue) = 1/5
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The reason the fractions are all the same is that there are equal numbers of each color.  For example, if there were 7 marbles of each color, there would be a total of 35 marbles.

P(red) = 7/35 = 1/5
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