Suppose that we win $\$3$ if we flip a heads on a coin toss, but lose $\$2$ if we flip tails.  What is the expected value, in dollars, of our winnings after one flip?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Suppose that we win $\$3$ if we flip a heads on a coin toss, but lose $\$2$ if we flip tails.  What is the expected value, in dollars, of our winnings after one flip?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\$0.50
Suppose that we win $\$3$ if we flip a heads on a coin toss, but lose $\$2$ if we flip tails.  What is the expected value, in dollars, of our winnings after one flip?
train