If the First Digit of a Seven-Digit Telephone Number Cannot

question 130

Multiple Choice

If the first digit of a seven-digit telephone number cannot be a 0 or 1, what is the probability that a number chosen at random will have all seven digits the same? ​

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Definitions:

Irreconcilable Differences

A term often used in divorce law to describe situations in which spouses cannot resolve their disagreements and there is no hope for reconciling.

Incompatibility

a state of being unable to exist or work together in harmony due to differences.

Marital Stability

The state of a marriage being consistently healthy, strong, and free from significant conflict or problems over time.

Visitation

The act of visiting, which can refer to spending time with someone or the legal right to visit one's child, often used in the context of divorce or separation.