About 954% of the Values of a Normal Random Variable Are

question 5

Multiple Choice

About 95.4% of the values of a normal random variable are within approximately how many standard deviations of its mean?

• A) ±1.7
• B) ±2
• C) ±2.5
• D) ±3

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Definitions:

Certificate of Deposit

A savings certificate with a fixed maturity date and specified fixed interest rate that is issued by a bank and is insured by the Federal Deposit Insurance Corporation (FDIC).

Promissory Note

A written promise to pay a specified amount of money to a designated person or entity by a certain date or on demand.

Maker

The individual or entity that creates or signs a negotiable instrument, committing to pay the specified sum to the holder.

Negotiable

Capable of being transferred or converted into cash or equivalent value, often used in reference to financial instruments.