Final Answer:
Step-by-step explanation:
In the given double-decrement table, represents the life at time \( \tau \) for a hypothetical item. is calculated as the difference between the initial lifeand the life at time. In this case, . This means that there is no decrement in life at time compared to the initial life.
Next, is computed as the difference between and the decrement at time . Since is 0 and there is no further decrement at , This implies that the decrement in life between and is also zero.
In interpretation, both and being zero indicate that there is no additional decrement in life beyond. This could suggest that the item has reached a stable state or has a constant life expectancy beyond .
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