A Study Suggests That 14

question 64

Multiple Choice

A study suggests that 14.7% of all four-digit personal identification numbers, or PIN codes, have a repeating-digits format such as 2525. Assuming this to be true, if the PIN codes of four people are
Selected at random, what is the probability that at least one of them will have repeating digits?

• A) 0.5880
• B) 0.4706
• C) 0.5294
• D) 0.4120

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Definitions:

1966

A year notable for various historical events worldwide, including cultural movements, political changes, and advancements in science and technology.

Oakland, California

A city in the San Francisco Bay Area of California, known for its significant cultural diversity and history of political activism.

Kwame Touré

Previously known as Stokely Carmichael, a prominent figure in the civil rights movement who later became a leader in the Black Power movement.

Conakry

The capital and largest city of Guinea, serving as an administrative, financial, and cultural center of the country.