Multiply Simplify If Possible $\frac { 2 x ^ { 2 } } { 3 } \cdot \frac { 21 } { x ^ { 3 } }$

question 55

Multiple Choice

Multiply. Simplify if possible.
- $\frac { 2 x ^ { 2 } } { 3 } \cdot \frac { 21 } { x ^ { 3 } }$

• A) \(\frac { 14 } { x }\)
• B) \(\frac { 14 x ^ { 2 } } { x ^ { 3 } }\)
• C) \(\frac { x } { 14 }\)
• D) \(\frac { 42 x ^ { 2 } } { 3 x ^ { 3 } }\)

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Definitions:

Alpha

Often denoted as α, it is a significance level used in hypothesis testing, representing the probability of rejecting a true null hypothesis.

Alpha

A term often associated with the significance level in hypothesis testing, indicating the probability of rejecting a true null hypothesis.

Type II Error

The error occurs when the null hypothesis is not rejected when it is actually false.

Null Hypothesis

The null hypothesis is a statement in statistical inference that suggests there is no significant effect or no difference, serving as the default assumption to be tested.