
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
Steve guesses randomly on a 20-question multiple choice test where each question has four choices (one correct and three incorrect). What is the probability that he gets at least half of the questions correct?

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