Compute Probabilities Using the General Multiplication Rule
-If $\mathrm { P } ( \mathrm { A } ) = 0.45 , \mathrm { P } ( \mathrm { B } ) = 0.25$

question 7

Multiple Choice

Compute Probabilities Using the General Multiplication Rule
-If $\mathrm { P } ( \mathrm { A } ) = 0.45 , \mathrm { P } ( \mathrm { B } ) = 0.25$ , and $\mathrm { P } ( \mathrm { B } \mid \mathrm { A } ) = 0.45$ , are $\mathrm { A }$ and $\mathrm { B }$ independent?

• A) no
• B) yes
• C) cannot determine

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, showing how much each value in the set varies from the mean.

Mean

The average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Annual Revenue

The total income generated by a company or organization in one fiscal year before any deductions are made.

Standard Deviation

A metric that reflects the degree of spread or scattering of values within a collection, illustrating the deviation of values from the central mean.