The Cumulative Distribution Function F(x) of a Continuous Random Variable

question 27

Multiple Choice

The cumulative distribution function F(x) of a continuous random variable X with the probability density function f(x) is which of the following?

• A) The area under f over all values x.
• B) The area under f over all values that are x or less.
• C) The area under f over all values that are x or more.
• D) The area under f over all non-negative values that are x or less.

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Definitions:

Implied Warranty

A warranty that is not explicitly stated but is assumed in a sale, ensuring the product is fit for the intended purpose.

Fitness for a Particular Purpose

An implied warranty that goods will meet the specific needs of the buyer, as known by the seller at the time of purchase.

Merchant

A person or company involved in wholesale trade, especially one dealing with foreign countries or supplying merchandise to a particular trade.

Implied Warranty

An implied warranty is a legal assumption in sales that the goods sold meet certain quality and reliability standards, even if not expressly stated.