If a Sample of Size 41 Is Selected,the Value of a for the Probability

question 68

Multiple Choice

If a sample of size 41 is selected,the value of A for the probability P(-A ≤ t ≤A) = 0.90 is:

• A)1.303
• B)1.684
• C)2.021
• D)2.423

---

Definitions:

Efficient Level Output

The level of production where average total costs are minimized and marginal costs equal marginal revenues.

Zero Profit

A situation in which a firm's total revenues match its total costs, resulting in neither profit nor loss.

Inefficiency

Refers to a lack of efficiency, where resources are not used in the most productive way, often resulting in wasted time or energy.

Monopolies

Market structures where a single producer or seller controls the entire supply of a product or service, often leading to reduced competition.