A machine in a factory had $240$ failures in $8000$ operating hours. The mean time to repair $($MTTR$)$ was $8$ hours.

What was the failure rate per hour?

failures per hour

What was the mean time to failure $($MTTF$)?$

hours

What was the availability of the machine?

The first column in the following table shows different time values. For each T value in the table, find the corresponding reliab

T $($hours$)$ Reliability

$8$

$16$

$24$

$32$