A Recent Analysis of the Number of Rainy Days Per

question 19

Multiple Choice

A recent analysis of the number of rainy days per month found the following outcomes and probabilities. $$\begin{array} { | c | c | } \hline \text { Namber of Raining Days } ( x ) & \mathrm { P } ( x ) \\\hline \hline 3 & .40 \\\hline 4 & .20 \\\hline 5 & .40 \\\hline\end{array}$$ The standard deviation of this distribution is _____________.

• A).800
• B).894
• C).400
• D)4.00
• E).457

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Definitions:

Field Research

The collection of raw data outside a laboratory, library, or workplace setting, directly from the environment or a specific situation.

Less Artificial

A term that might refer to something being more natural or genuine, lacking artificial enhancements or modifications.

Inferential Statistic

A branch of statistics that allows for making predictions or inferences about a population based on a sample.

Tests Of Significance

Statistical tests used to determine whether the results of a study are likely to be due to chance or represent genuine effects.