How Many Observations Should Be Made If the Analyst Wants

question 143

Multiple Choice

How many observations should be made if the analyst wants to be 99.74 percent confident that the maximum error in the observed time is two seconds? Assume that the standard deviation of each task time is 4 seconds.

• A)5
• B)6
• C)25
• D)36
• E)49

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Definitions:

Lifetime Employment

A job guarantee in which an employee can expect to remain employed in their position for their entire working life.

Oral Contract

An agreement between parties that is spoken and not written, yet is legally binding unless specifically required by law to be written.

Enforceable

Capable of being executed or imposed in accordance with legal or contractual requirements.

Debt

Money owed by one party, the debtor, to another party, the creditor; an obligation to pay or do something.