Samples of size 2 will be drawn at random from the population.Use the formulas 
and 
to calculate the mean and the standard deviation of the sampling distribution of sample means.
Definitions:
Break-Even
The juncture where the total expenses match the total income, indicating neither a profit nor a loss is made.
Sales Dollars
The total amount of revenue generated from the sale of goods or services by a company, measured in dollars.
Division Q
A specific segment or section within an organization, referred to as "Q," likely focused on a particular set of tasks or goals.
Contribution Margin Ratio
The percentage of sales revenue that exceeds variable costs, indicating how much contributes to covering fixed costs and generating profit.
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