In a London State Daily Lottery, a Sequence of 3 $\frac { 1 } { 2 }$

question 61

Multiple Choice

In a London State daily lottery, a sequence of 3 (not necessarily different) digits in the range 0-7 are selected at random. Find the probability that 2 of 3 digits are the same.

• A) \(\frac { 1 } { 2 }\)
• B) \(\frac { 3 } { 8 }\)
• C) \(\frac { 35 } { 384 }\)
• D) \(\frac { 7 } { 256 }\)
• E) \(\frac { 21 } { 64 }\)

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Definitions:

Heterozygous

Having two different alleles.

Homozygous

Having two identical alleles.

Monozygotic

Refers to twins, originating from the same egg, and are genetically identical.

Dizygotic

Pertaining to or derived from two separate fertilized eggs, resulting in fraternal twins that are genetically similar to siblings born at different times.