An Industrial Engineer Is Conducting a Time Study for a Work

question 89

Multiple Choice

An industrial engineer is conducting a time study for a work element.The select time is 7.5 minutes,and the sample standard deviation of the observed time is one minute.What is the appropriate sample size if the estimate is to be 3 percent of the true average time 95 percent of the time (z = 1.96) ?

• A)fewer than or equal to 70
• B)greater than 70 but fewer than or equal to 80
• C)greater than 80 but fewer than or equal to 90
• D)greater than 90

---

Definitions:

Educational System

A structured and formal process designed for the teaching and learning of knowledge and skills.

Alimony

Payments made to a spouse or ex-spouse under a separation or divorce agreement, potentially deductible for the payer and taxable for the recipient.

Former Spouse

An individual who was previously married to another individual but is now legally divorced or separated.

Property Settlement

An agreement reached between parties in a divorce for dividing property and assets.