Pay Your bills: A company audit showed that of $680$ bills that were sent out, $344$ were paid on time, $144$ were paid up to $30$ days late, $55$ were paid between $31$ and $90$ days late, and $137$ remained unpaid after $90$ days. One bill is selected at random.

Part: $\frac{0}{2}$

Part $1$ of $2$

$($a$)$ What is the probability that the bill was paid on time? Round your answer to four decimal places.

The probability that the bill was paid on time is