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Find the Mean of the Random Variable A) 1.501.50 B) 1.731.73 C) 2.002.00

question 80

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Find the mean of the random variable.
-The random variable X is the number of people who have a college degree in a randomly selected group of four adults from a particular town. Its probability distribution is given in the table. Round
The answer to two decimal places. X01234P(X=x) 0.12960.34560.34560.15360.0256\begin{array}{c|ccccc}\mathrm{X} & 0 & 1 & 2 & 3 & 4 \\\hline \mathrm{P}(\mathrm{X}=\mathrm{x}) & 0.1296 & 0.3456 & 0.3456 & 0.1536 & 0.0256\end{array}


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Scholars and scientists who study how evolutionary principles explain behavioral, physical, and psychological traits and changes over time.

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A psychological and physiological reaction to perceived threats, involving the activation of the fight-or-flight response.

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