Compute the Standard Deviation of the Random Variable with the Given

question 51

Multiple Choice

Compute the standard deviation of the random variable with the given discrete probability distribution
$\begin{array} { c c } \hline x & P ( x ) \\\hline 0 & 0.2 \\10 & 0.25 \\15 & 0.1 \\20 & 0.45 \\\hline\end{array}$

• A)13
• B)58.5
• C)11.25
• D)7.6

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Definitions:

Basis

The amount of investment in property for tax purposes; used to determine the gain or loss on the sale, exchange, or disposal of the property.

Taxable Gain

The profit arising from the sale or exchange of an asset that is subject to income tax.

Charitable Contribution

Donations made to qualified organizations that may be tax-deductible for the donor.

Taxable Income

The amount of income that is subject to tax, after accounting for deductions and exemptions.