Use Random-Variable Notation to Represent the Event $\{ X \geq 3 \}$

question 88

Multiple Choice

Use random-variable notation to represent the event.
-Suppose a coin is tossed four times. Let X denote the total number of tails obtained in the four tosses. Use random-variable notation to represent the event that the total number of tails is three.

• A) HTTT, THTT, TTHT, TTTH
• B) \(\{ X \geq 3 \}\)
• C) \(\mathrm { P } \{ \mathrm { X } = 3 \}\)
• D) \(\{ X = 3 \}\)

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Definitions:

Temporal Process

A projection on the zygomatic bone that helps form the zygomatic arch, connecting the zygomatic bone to the temporal bone of the skull.

Lumbar

Pertaining to the lower part of the back or the five vertebrae in the lower spine.

Cervical

Pertaining to the neck or cervix in the human body.