A disadvantage of an expert system is that it:
A. invariably needs a human to fix the problem according to the solution the system offers.
B. provides no option for user feedback.
C. can be time-consuming and expensive.
D. can sometimes deviate from the decision rules originally programmed into the system.
Answer: C
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A) suppliers of raw materials B) foreign governments for a non-international company C) the media D) contributors to a charity
At a fairly early point in the development of contract law, the common law courts decided not to enforce gratuitous promises.
Answer the following statement true (T) or false (F)
The ________ is the probability of rejecting the null hypothesis when it is in fact false, and should be rejected
A) Type I error B) level of significance C) Type II error D) power of a test
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Indicate whether the statement is true or false