Random Samples of Size 81 Are Taken from an Infinite

question 1

Multiple Choice

Random samples of size 81 are taken from an infinite population whose mean and standard deviation are 45 and 9, respectively. The mean and standard error of the sampling distribution of the sample mean are:

• A)9 and 45.
• B)45 and 9.
• C)81 and 45.
• D)45 and 1.

---

Definitions:

Personal Injuries

Physical or emotional harm to an individual that may result from accidents, negligence, or intentional acts.

Natural Disaster

refers to the sudden and extreme events caused by environmental factors that result in significant damage and hardship to affected communities and regions.

Reassured

Reassured means having one's confidence restored; to be comforted or relieved from worries or doubts.

Resiliency

The ability to recover quickly from difficulties; toughness, often demonstrated by individuals or communities in the face of adversity.