Use Estimation to Select the Best Response

question 128

Multiple Choice

Use estimation to select the best response. Do not calculate. Which of the following is more probable?

• A) Obtaining at least 2 heads in 3 flips of a coin
• B) Obtaining at least 2 heads in 4 flips of a coin
• C) They are equally probable

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Definitions:

Negative Charge

A type of electrical charge characterized by the presence of more electrons than protons in an atom or molecule.

Electron

A subatomic particle with a negative charge, fundamental to electricity and chemical bonding.

Light

Electromagnetic radiation that is visible to the human eye, with wavelengths approximately between 380 and 750 nanometers.

Particles

Small localized objects to which can be ascribed several physical properties such as volume or mass; often used in the context of physics to discuss components of atoms and molecules.