Find (By Inspection) the Expected Value and Standard Deviation of the Random

question 50

Short Answer

Find (by inspection) the expected value and standard deviation of the random variable with the following density function: $f ( x ) = \frac { 1 } { 2 \sqrt { 2 \pi } } e ^ { - 1 / 8 x ^ { 2 } }$ Enter your answer as just two numbers (integers or reduced fractions) separated by a comma, the first representing E(X) and the second representing $\sqrt { \operatorname { Var } ( X ) }$ .

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Definitions:

Merchandise Inventory

Refers to the goods that a company has on hand for the purpose of selling to customers.

Sales Discount

A reduction in the sale price offered by a seller to a buyer, typically to prompt early payment or reward customer loyalty.

Freight Costs

Freight costs refers to the charges involved in transporting goods by land, sea, or air. This includes the expenses associated with moving merchandise from the point of origin to its destination.

F.O.B. Destination

A shipping term indicating that the seller bears the freight charges and retains ownership of the goods being shipped until they reach the buyer's location.