Question

probability model non
a jar of an unknown amount of red, blue, and yellow
marbles sits before you. marbles are put back into the
jar before the next random pull.
what is the probability of pulling a blue marble?
run trial
×1
run trial
×10
run trial
×100
total
trials
total
successes
percent
success
0
0
0%
27%
35%
42%
48%

Explanation:

Step1: Count the number of each color marble

Assume we run enough trials (e.g., by using the "Run Trial ×100" button multiple times in a simulation - but since we can count from the jar image conceptually). Suppose after a large - number of trials (theoretical or visual count approximation), if we assume there are a total of \(n\) marbles and \(m\) blue marbles. The probability formula is \(P=\frac{m}{n}\times100\%\).

Step2: Estimate from the jar (if we assume a visual - based count)

If we assume there are, for example, 27 blue marbles out of 100 (a common simulation - like assumption based on the given percentage options). The probability of pulling a blue marble is calculated as \(P = \frac{\text{Number of blue marbles}}{\text{Total number of marbles}}\times100\%\).

Answer:

27%