If the Random Variable X Is Exponentially Distributed with Parameter

question 61

Multiple Choice

If the random variable X is exponentially distributed with parameter = 1.5,then P(2 X 4) ,up to 4 decimal places,is

• A)0.6667
• B)0.0473
• C)0.5000
• D)0.2500

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Definitions:

Gross Profit

The difference between the revenue generated from selling goods or services and the cost of goods sold, excluding indirect expenses like administration costs.

Average Cost Formula

A method used in accounting to calculate the cost of goods sold and ending inventory through dividing the total cost of goods available for sale by the total units available for sale.

FIFO

"First In, First Out," an inventory valuation method where goods first bought are the first ones sold, assuming their cost flows in the order incurred.

Gross Profit

The difference between sales revenue and cost of goods sold, indicating how effectively a company generates profit from direct expenses.