An Urn Contains Three Red R Balls Numbered 1, 2

question 57

Multiple Choice

An urn contains three red R balls numbered 1, 2 and 3, four white W balls numbered 4, 5, 6 and 7, and three black B balls numbered 8, 9 and 10. A ball is drawn from the urn. What is the probability that it is red? ​

• A) P(
• R) =
• B) P(
• R) =
• C) P(
• R) =
• D) P(
• R) =
• E) P(
• R) =

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Definitions:

Chemical Energy

Chemical Energy is the potential of a chemical substance to undergo a transformation through a chemical reaction, resulting in the release or absorption of energy.

Taste Buds

Sensory organs on the tongue that are responsible for detecting and distinguishing the five elements of taste perception: sweet, sour, salty, bitter, and umami.

Organic Substances

Organic substances refer to chemical compounds that contain carbon-hydrogen bonds, typically associated with living organisms.

Chemical Substances

Materials with definite chemical compositions, which can be elements or compounds, involved in chemical processes.