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Anon25 [30]
3 years ago
7

Marnie conducted an experiment using a bag of 12 marbles containing an equal number of blue, red, and green marbles. She randoml

y chose one marble, noted the color, and returned the marble to the bag. Marnie did this for a total of 20 trials. The table below shows the results.
Event
Count
Blue
7
Red
8
Green
5

What was the experimental probability of choosing a blue marble from a bag?
Mathematics
2 answers:
Rudik [331]3 years ago
5 0
The answer would be 7/20. Because when it said you did that a total of 20 times. And then you would just put how many times you pulled a blue over it.
Luden [163]3 years ago
4 0
7/20 chance, since she had 20 trials and pulled out 7 blue marbles.
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