A Discrete Random Variable X Can Assume Five Possible Values

question 21

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 that the random variable x is a value greater than 5.

$$\begin{array} { c | c c c c c } \mathrm { x } & 2 & 3 & 5 & 8 & 10 \\\hline \mathrm { p } ( \mathrm { x } ) & 0.10 & 0.20 & 0.30 & 0.30 & 0.10\end{array}$$

• A) 0.70
• B) 0.60
• C) 0.40
• D) 0.30

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Definitions:

Cesarean Section

A surgical procedure used to deliver a baby through incisions in the abdomen and uterus, often used when vaginal delivery would pose a risk to the mother or baby.

Precipitous Labor

Labor that progresses very quickly, often resulting in childbirth in less than three hours from the onset of contractions.

Contractions

The tightening and shortening of muscles, often referring to those of the uterus during labor.

Fetal Presentation

The position a fetus is in, in relation to the birth canal, during delivery. Common presentations include cephalic (head first), breech (feet or buttocks first), and shoulder.