Suppose a Certain Species Bird Has an Average Weight of Grams

question 2

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. For a small group of 12 birds, find the margin of error for an 80% confidence interval for the average weights of these birds. $$\bar { x } = 3.45$$ $$\sigma = 0.34$$

• A)0.22 grams
• B)0.13 grams
• C)0.02 grams
• D)0.44 grams
• E)0.06 grams

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Definitions:

Marginal Revenue Product

The additional revenue generated by employing one more unit of a factor, such as labor or capital, keeping other factors constant.

Wage Rate

The wage rate is the amount of money earned per unit of time, such as an hour, by an employee.

Repair People

Individuals or workers specialized in fixing and maintaining machinery, equipment, or facilities.

Marginal Revenue Product

The additional revenue generated from using one more unit of a factor of production or input.