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

question 176

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:

Layout Errors

Mistakes or issues in the arrangement or planning of elements in a given space.

Production Issues

Problems or challenges that arise during the creation or manufacturing process of a product or media.

Mobile Devices

Small portable computing devices with a user interface, including smartphones and tablets.

Minimal White Space

Design strategy that involves using as little blank or empty space as possible in a visual layout to optimize content density.