You Have Just Timed a Person Doing a Haircut for the First

question 4

Multiple Choice

You have just timed a person doing a haircut for the first time. It took 50 minutes. What unit improvement factor learning curve would you use if the person took 35 minutes on the second haircut?

• A) 35 percent
• B) 50 percent
• C) 70 percent
• D) 75 percent
• E) 80 percent

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Definitions:

Universal Instantiation

A logical rule that infers from the truth of a universally quantified statement about all members of a domain, the truth of that statement about any specific member.

Quantifier Negation

The process of applying negation to a statement that contains a quantifier, altering its scope and possibly changing the quantifier type (for example, from universal to existential).

Existential Generalization

A logical operation that infers the existence of at least one object in a domain that satisfies a given proposition.

Existential Instantiation

A logical rule that deduces the existence of at least one instance of a predicate from a general statement.