Suppose We Roll Two Fair Four-Sided Dice

question 40

Multiple Choice

Suppose we roll two fair four-sided dice. Let X denote the sum of the two roll outcomes. For example, if the first roll yields 3 and the second roll yields 1, then X = 3 + 1 = 4. The probability distribution for X is given below. The probability of rolling a pair of 4s is:

• A)1/16.
• B)1/8.
• C)3/16.
• D)13/16.

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Definitions:

Neoplasms

Abnormal growths of tissue, which can be benign or malignant (cancerous).

Contiguous

Sharing a common border; touching or adjacent.

Malignant Neoplasm

A malignant tumor capable of invading surrounding tissue and possessing the ability to metastasize to different areas of the body.

Overlapping Sites

Areas in which multiple points of interest in a given context intersect or overlap.