A Discrete Random Variable X Can Assume Five Possible Values

question 5

Multiple Choice

A discrete random variable x can assume five possible values: 2, 3, 5, 8, 10. Its probability distribution is shown below. Find the probability for the value of x = 5. $$\begin{array} { c | c c c c c } \mathrm { x } & 2 & 3 & 5 & 8 & 10 \\\hline \mathrm { p } ( \mathrm { x } ) & 0.10 & 0.20 & ? ? ? & 0.30 & 0.10\end{array}$$

• A) 0.7
• B) 0.1
• C) 0.3
• D) 0.2

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Definitions:

Leasehold Estate

The creation of an ownership interest in the tenant. An interest in real estate that is held under a lease. Also called tenancy.

Life Estate

An estate in which the owner owns real property for his or her life or for the life of another.

Reversion Estate

A future interest in property when title is to return to the grantor or grantor’s heirs upon expiration of a life estate.

Tenancy In Common

A form of joint ownership of property where each owner holds a percentage interest that can be sold or inherited independently of the others.