Based on the probability that the new vacuum cleaner has a fault, the probability that it does not have a fault is 0.987.
This refers to a mutually exclusive scenario in that the vacuum cleaner can either have a fault or will not have a fault.
When that happens, the probability of one occurring can be found by deducting the probability of the other occurring from 1.
The probability of the cleaner not having a fault is therefore:
= 1 - 0.013
= 0.987
In conclusion, the probability that the cleaner does not have a fault is 0.987.
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