Find the Specified Probability A) $0.55$ B) $0.45$ C) $0.15$ D) $0.05$

question 81

Multiple Choice

Find the specified probability.
-There are only 8 chairs in our whole house. Whenever there is a party some people have no where to sit. The number of people at our parties (call it the random variable X) changes with each party.
Past records show that the probability distribution of X is as shown in the following table. Find the
Probability that everyone will have a place to sit at our next party. $\begin{array}{cccccccc}\mathrm{X} & 5 & 6 & 7 & 8 & 9 & 10 & >10 \\\hline \mathrm{P}(\mathrm{X}=\mathrm{x}) & 0.05 & 0.05 & 0.20 & 0.15 & 0.15 & 0.10 & 0.30\end{array}$

• A)\(0.55\)
• B) \(0.45\)
• C) \(0.15\)
• D) \(0.05\)

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Definitions:

Ring Structures

Circular arrangements of atoms within molecules that are especially common in organic chemistry.

Atomic Orbitals

Mathematical functions describing the location and wave-like behavior of an electron in an atom, important in the understanding of chemical bonds and reactions.

Hybrid Atomic Orbitals

Orbitals formed by the combination of two or more standard atomic orbitals, leading to new orbitals that are optimal for the bonding in molecules.

C-H Bond

The chemical bond formed between a carbon and a hydrogen atom, fundamental in organic chemistry and the structure of hydrocarbons.