
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Estimate the proportion of data that is not greater than 30 in a sample with a size of 50, given the distribution: 3 data points in the interval [12.5,15.5), 8 data points in the interval [15.5,18.5), 9 data points in the interval [18.5,21.5), 11 data points in the interval [21.5,24.5), 10 data points in the interval [24.5,27.5), 6 data points in the interval [27.5,30.5), and 3 data points in the interval [30.5,33.5).

Present the answer in LaTex format: \boxed{Your answer}
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