The Probability That an Individual Has 20-20 Vision Is 0

question 17

Multiple Choice

The probability that an individual has 20-20 vision is 0.1. In a class of 10 students, what is the mean andstandard deviation of the number with 20-20 vision in the class?

• A) mean: 1; standard deviation: 0.9486833
• B) mean: 10; standard deviation: 0.9486833
• C) mean: 1; standard deviation: 1
• D) mean: 10; standard deviation: 1

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Definitions:

Margin Of Safety

A financial ratio or metric that measures the difference between actual sales and the breakeven point, indicating the extent to which sales can decline before a business incurs a loss.

Contribution Margin Ratio

The percentage of sales revenue that exceeds variable costs, indicating how much revenue contributes to covering fixed costs and generating profit.

Mixed Costs

Expenses that have both fixed and variable components, changing with the level of production but also incurring a base cost.

CVP Analysis

Cost-Volume-Profit Analysis, an accounting tool used to determine how changes in costs and volume affect a company's operating income and net income.