Solve the Equation $\frac { 2 } { 3 } x - \frac { 1 } { 2 } + \frac { 1 } { 4 } x = \frac { 5 } { 8 }$

question 167

Multiple Choice

Solve the equation. $\frac { 2 } { 3 } x - \frac { 1 } { 2 } + \frac { 1 } { 4 } x = \frac { 5 } { 8 }$

• A) \(\left\{ \frac { 25 } { 22 } \right\}\)
• B) \(\left\{ - \frac { 25 } { 22 } \right\}\)
• C) \(\left\{ \frac { 27 } { 22 } \right\}\)
• D) \(\left\{ - \frac { 27 } { 22 } \right\}\)
• E) \(\varnothing\)

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Definitions:

Standard Error

A statistic that measures the dispersion of sample means around the population mean, estimating the variability within a data set.

Confidence Interval

Newly defined: A measure indicating the reliability of an estimate, often used to infer about the population parameter from sample data.

Sample

A subset of a population used in statistical analysis to estimate the characteristics of the whole population.

Mean

The average value of a set of numbers, calculated by dividing the sum of all the numbers by the count of the numbers.