Basic Concepts of Probability: Videos & Practice Problems

In a security contest, participants guess a $4$-digit code. Each digit ranges from $0$ to $9$, digits can repeat, and the winning code is generated randomly. The random variable $x$ represents the number of digits guessed correctly in their appropriate positions.
The following table shows the probabilities of correctly guessing $0$, $1$, $2$, $3$, or $4$ digits:

Find the probability of guessing $2$ or more digits.