
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
For an exam, a student can receive one of the following grades: $5, 4, 3,$ or $2$. The probability that a student will receive a grade of $5$ is $0.3$; a grade of $4$ is $0.4$; a grade of $3$ is $0.2$; and a grade of $2$ is $0.1$. Which of these events constitute a complete group of mutually exclusive events? What event is opposite to the event "the student receives a grade of $5$" and what is the probability of this event?

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