In a Poll Conducted by a Survey Firm, 76% of Respondents

question 73

Multiple Choice

In a poll conducted by a survey firm, 76% of respondents said that their jobs were sometimes or always stressful. Eight workers are chosen at random. What is the standard deviation of the Number of workers who find their jobs stressful?

• A) 1.21
• B) 0.43
• C) 1.46
• D) 2.47

---

Definitions:

Anxiety

A feeling of worry, nervousness, or unease about something with an uncertain outcome, which can affect mental and physical health.

Stress

The body's response to any demand or challenge, which can be triggered by both positive and negative experiences.

Biofeedback

A technique that trains individuals to improve their health by using signals from their own bodies to gain control over physical functions.

Stress

A physical, mental, or emotional factor that causes bodily or mental tension, stemming from any event or thought that makes you feel frustrated, angry, or nervous.