Write the Expression for the General (Or Nth)termrm $\mathbf { a } _ { \mathbf { n } } ,$

question 140

Multiple Choice

Write the expression for the general (or nth) termrm, $\mathbf { a } _ { \mathbf { n } } ,$ , of the geometric sequence.
-3, 9, 27, 81, 243,. . .

• A) \(a _ { n } = 3 ^ { n }\)
• B) \(a _ { n } = 3 ^ { n - 1 } + 3\)
• C) \(a _ { n } = 6 n\)
• D) \(a _ { n } = 3 + 6 ( n - 1 )\)

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, used in statistics to quantify the spread of a data set.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true; a threshold used to determine the critical value at which the observed data is considered statistically significant.

Significance Level

The chance of wrongly rejecting the true null hypothesis during a statistical examination.

Confidence Interval

A statistical range, with a given probability, that is likely to contain the true value of an unknown population parameter.