The Expected Value of a Random Variable X Is 115

question 11

Multiple Choice

The expected value of a random variable X is 115 and the standard deviation is 21.The standard deviation of the random variable Y = 3X − 10 is

• A)63
• B)6.48
• C)53
• D)41

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Definitions:

Condominium Association

An organization comprising owners of individual units within a condominium project, responsible for enforcing the bylaws and managing the common properties.

Declaration

A formal statement, announcement, or document outlining intentions, conditions, or observations on certain matters.

Covenants

Legally enforceable agreements or promises within a deed or contract, specifying actions the parties must or must not engage in.

Joint Tenancy

A form of co-ownership where property is owned by two or more parties with equal rights to the whole property, and with the right of survivorship.