ESPN computer predicts Heat vs. Celtics tonight

On Sunday evening, the Miami Heat and the Boston Celtics will compete to determine which team will go to the NBA Finals.

After an unexpected victory on Friday night in Boston, Miami was able to force a Game 7 to take place. Is it possible for the Heat to win one more game and go to the NBA Finals on Sunday?

The conclusion reached by ESPN's computer model has been revealed.
The Basketball Power Index on ESPN's website indicates that the Heat are marginal favourites to win Game 7.

According to ESPN's Basketball Power Index (BPI), the Miami Heat have a probability of 51.4 percent to win Game 7

while the Boston Celtics have a chance of 48.6 percent to win.

The game is scheduled to start at 8:30 p.m. E.T.
Who will come out on top and take the win?