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Explanation:</h3>
Class boundaries need to be defined so that a point on the boundary is unambiguously placed in one class or the other. With these boundaries, a value of 120 might be placed in the first or the second class—<em>we don't know which</em>.
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It is customary to define class boundaries between data values 60.5–120.5, for example, so that no data value can fall on the boundary, or as a semi-open interval [60, 120), so that a boundary value is clearly placed into a specific class.
Answer:
my answer is rounded to two decimal places and is the best answer I got
2.64/2 3.31, Im not sure what is suppose to be in between 2 and square root of 11 though sry.
Step-by-step explanation:
The diameter of the the circle would be 15.92 mm so if you rounded that up it would 16.
Total number of marbles : 12
amount of blue marbles : 4
4/12 = 1/3 or 33%
the probability of choosing a blue marble 1/3 or 33%