I have a spinner that lands on 1 with a probability of $\frac{1}{10}$, 2 with a probability of $\frac{2}{10}$, 3 with a probability of $\frac{3}{10}$, and 4 with a probability of $\frac{4}{10}$. If Phil and Sarah both spin the spinner, what is the probability that they get the same number?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
I have a spinner that lands on 1 with a probability of $\frac{1}{10}$, 2 with a probability of $\frac{2}{10}$, 3 with a probability of $\frac{3}{10}$, and 4 with a probability of $\frac{4}{10}$. If Phil and Sarah both spin the spinner, what is the probability that they get the same number?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\dfrac{3}{10}
I have a spinner that lands on 1 with a probability of $\frac{1}{10}$, 2 with a probability of $\frac{2}{10}$, 3 with a probability of $\frac{3}{10}$, and 4 with a probability of $\frac{4}{10}$. If Phil and Sarah both spin the spinner, what is the probability that they get the same number?
train