Assume That the Weight Loss for the First Month of a Diet

question 152

Multiple Choice

Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution. Find the probability of the given range of pounds lost
-What is the probability that the random variable has a value between 4.5 and 7.7?

• A)0.2750
• B)0.4000
• C)0.5250
• D)0.6500

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Definitions:

Elemental Symbol

A one or two-letter notation derived from the Latin name of a chemical element used to represent it in the periodic table, such as H for hydrogen.

Lewis Structure

Lewis structures, also known as Lewis dot diagrams, are a graphical representation of molecules showing how valence electrons are distributed among the atoms and indicating the bonds between atoms.

Nitrogen Gas

A colorless, odorless, tasteless diatomic gas with the chemical formula N2, making up 78% of Earth's atmosphere by volume.

Resonance Structure

Depictions of a molecule showing different possible arrangements of electrons, used to describe delocalization within the molecule.