A Work Sampling Study Requires an Acceptable Error Level of 10

question 30

Multiple Choice

A work sampling study requires an acceptable error level of 10% and z = 2 for 95.45% confidence. The adequate sample size is ________ if the sample proportion is thought to be as large as 50%, but ________ if the sample proportion is thought to be about 20%.

• A) 50;20
• B) 100; 64
• C) 100; 16
• D) 20; 50
• E) cannot be determined from the information given

---

Definitions:

Mortality Rate

The measure of the number of deaths in a particular population, scaled to the size of that population, per unit of time.

Longevity

The length or duration of a person's life, particularly in relation to good health and lifespan extension practices.

Antipsychotic Drugs

Medications primarily used to manage psychosis, notably in disorders like schizophrenia, by altering brain chemistry to reduce psychotic symptoms.

Nursing Home Residents

Individuals, often elderly, living in a facility that provides a range of personalized healthcare, supervision, and daily living assistance.