A Sample of 12 Items Yields = 48

question 143

Multiple Choice

A sample of 12 items yields = 48.5 grams and s = 1.5 grams.Assuming a normal distribution,construct a 90 percent confidence interval for the population mean weight.

• A)[47.722 49.278]
• B)[47.788 49.212]
• C)[45.806 51.194]
• D)[47.865 49.135]

---

Definitions:

Coping With Stress

Strategies or mechanisms that individuals use to manage and mitigate the adverse effects of stress.

Secure Attachments

Emotional bonds characterized by a sense of safety, security, and trust, typically observed between caregivers and young children.

Full-Time Day Care

Child care service provided during daytime hours, typically for children of working parents, on a full-time basis.

Hostility

An emotion or behavior that is aggressive, unfriendly, or antagonistic towards others.