For the Table Shown Below, the Random Variable X Is

question 59

Essay

For the table shown below, the random variable x is the number of males with tinnitus
(ringing ears)among four randomly selected males, based on a medical journal. Find the
mean and standard deviation for the random variable x. Use the range rule of thumb to
identify the range of values that are not significant for the number of males with tinnitus
among four randomly selected males. Is getting three males with tinnitus among four
randomly selected males a significantly high number?
$\begin{array} { c | c } \boldsymbol { x } & \boldsymbol { P } ( \boldsymbol { x } ) \\\hline 0 & 0.674 \\1 & 0.280 \\2 & 0.044 \\3 & 0.003 \\4 & 0 +\end{array}$

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Definitions:

Industrial Market

The market for goods, services, and supplies used in the production of other goods and services rather than for personal consumption.

Individual Quick Freeze

A food preservation process that rapidly freezes individual pieces of food, preserving freshness, texture, and flavor.

North American Industry Classification System

A classification system used by business and government to categorize and measure economic activity in the United States, Canada, and Mexico.

Six-Digit Coding

A detailed classification method, often referring to systems like the Harmonized System for classifying traded products, using six-digit codes to identify specific items.