Solve the Equation in the Real Number System $2 x ^ { 4 } - 15 x ^ { 3 } + 60 x ^ { 2 } - 115 x + 78 = 0$

question 193

Multiple Choice

Solve the equation in the real number system.
- $2 x ^ { 4 } - 15 x ^ { 3 } + 60 x ^ { 2 } - 115 x + 78 = 0$

• A) \(\left\{ - 2 , \frac { 3 } { 2 } \right\}\)
• B) \(\left\{ 2 , - \frac { 3 } { 2 } \right\}\)
• C) \(\left\{ 2 , \frac { 3 } { 2 } \right\}\)
• D) \(\left\{ - 2 , - \frac { 3 } { 2 } \right\}\)

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Definitions:

Distribution of Sample Means

Describes the dispersion or spread of the means of multiple samples drawn from the same population, often approximated by a normal distribution.

Sampled Population

The subset of individuals from a larger population used in a statistical study.

Standard Error

A measure of the accuracy with which a sample distribution represents a population by using the standard deviation of the sample means.

Sample Size

The number of observations or data points collected in a study or used in a statistical sample.