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

Question

2 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] · Answer 1 · 2022-06-14T14:39:32+03:00

Rudik [331]2 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] · Answer 2 · 2022-06-14T13:07:03+03:00

Luden [163]2 years ago

4 0

7/20 chance, since she had 20 trials and pulled out 7 blue marbles.