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What Is the Probability That Two People in Your Class

question 79

Multiple Choice

What is the probability that two people in your class (assume a class of 30 students) have the same birthday? ​


Definitions:

Cleavage

1. The tendency of minerals to break along specific orientations of closely spaced planes. 2. The tendency of a rock, especially a metamorphic rock, to split along mostly parallel planes.

Luster

The reflection of light from the surface of a mineral, especially its quality and intensity; the appearance of a mineral in reflected light.

Color

A property of light as seen by people, typically defined by its wavelength or frequency.

Crystals

Solid materials whose constituents, such as atoms, molecules, or ions, are arranged in a highly ordered microscopic structure.

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