Answer:
Parameter
Explanation:
q: When an application contains just one version of a method, you can call the method using a(n) ____ of the correct data type.
a: Parameter
I think that the likelihood will still be 0.8 as that means that 8 out of 10 calls will be resolved within one hour so the 7 out of 10 falls within that likelihood so therefore the callers can go by that assumption and be fairly confident that they have quite a high likelihood of having their problems resolved within one hour.
CD-ROM= Compact Disc- Read Only Memory (Can only be used once)