Suppose a Certain Species Bird Has an Average Weight of Grams

question 5

Multiple Choice

Suppose a certain species bird has an average weight of grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution with grams. Find the sample size necessary for a 95% confidence level with a maximal error of estimate for the mean weights of the hummingbirds. $$\bar { x } = 3.60$$ $$\sigma = 0.36$$ $$E = 0.18$$

• A)61
• B)31
• C)4
• D)16
• E)8

---

Definitions:

Evaluation

The systematic assessment of the value, performance, or qualities of someone or something, typically for purposes of making decisions or improving effectiveness.

Line Managers

Managers who are directly responsible for overseeing the performance and operations of a specific department or area within an organization.

Performance Management Strategically

Strategically managing performance involves aligning individual employee goals and objectives with the strategic objectives of the organization to enhance productivity and contribute to the company's success.

HR Managers

Professionals responsible for overseeing the human resources department, focusing on policies, strategies, and employee welfare within an organization.