Which of the Following Statements About a Discrete Random Variable

question 13

Multiple Choice

Which of the following statements about a discrete random variable and its probability distribution are true?

• A) Values of the random variable can never be negative.
• B) Some negative values of fx) are allowed as long as ∑fx) = 1.
• C) Values of fx) must be greater than or equal to zero.
• D) The values of fx) increase to a maximum point and then decrease.

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Definitions:

Unpaid Labor

Work that is done without any form of remuneration or compensation, often maintaining households and supporting family members, contributing to the economy indirectly.

Second Shift

The phenomenon where individuals, often women, work a day job and then return home to perform domestic chores and caregiving, effectively working a "second shift."

Divorced Parents

Individuals who have legally ended their marriage and are no longer living together as spouses, often involving arrangements for co-parenting if children are involved.

Cohabitation

The living arrangement in which an unmarried couple resides together in a long-term relationship that resembles a marriage.