Retries
the Following Table Contains the Probability Distribution for X

question 205

Multiple Choice

Retries
The following table contains the probability distribution for X = the number of retries necessary to successfully transmit a 1024K data package through a double satellite media.
$$\begin{array} { | c | c c c c | } \hline \boldsymbol { x } & 0 & 1 & 2 & 3 \\\hline \boldsymbol { p } ( \boldsymbol { x } ) & 0.35 & 0.35 & 0.25 & 0.05 \\\hline\end{array}$$
-If X and Y are any random variables with COV(X,Y) = 0.25, $\sigma _ { x } ^ { 2 } = 0.36$ ,and $\sigma _ { y } ^ { 2 } = 0.49$
,then the coefficient of correlation $\rho$ is

• A) 1.417
• B) 1.190
• C) 0.595
• D) 0.354

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Definitions:

Stress Disorders

Mental health conditions that arise as direct consequences of acute or chronic stress, including post-traumatic stress disorder (PTSD) and adjustment disorders.

Anxious

A feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome.

Control

In psychological research, the power to influence or directly manage variables or behaviors.

Exposure To Stress

The condition of being subjected to stressful stimuli or circumstances, which can have significant impacts on physical and mental health.