A Sample of Size 100 from a Bell-Shaped Population Has

question 214

Essay

A sample of size 100 from a bell-shaped population has a mean of 110 and a standard deviation of 10.0.Using the Empirical Rule,about how many items of the sample will be above 130?

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Definitions:

Profit-maximizing Output

The maximum profit attainment point for a company occurs when the marginal cost matches the marginal revenue, indicating the optimum production level.

Purely Competitive Firm

A firm operating in a market where there are many sellers and buyers, the products are homogenous, and there are no barriers to entry or exit, leading to market prices being determined by supply and demand.

Short Run

A period of time during which at least one of a firm's inputs is fixed, limiting its ability to adjust to changes in demand or production costs.