Given Independent Random Variables with Means and Standard Deviations as Shown,find

question 38

Multiple Choice

Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable 2X. $$\begin{array} { c | c c } & \text { Mean } & \text { SD } \\\hline \mathrm { X } & 40 & 5 \\\mathrm { Y } & 70 & 8\end{array}$$

• A)? = 80,? = 5
• B)? = 42,? = 5
• C)? = 42,? = 10
• D)? = 80,? = 10
• E)? = 80,? = 20

Explain the concept of atomic mass and its representation.

Comprehend the principles underlying the arrangement of electrons in an atom.

Understand the defining characteristics and synapomorphies of chordates.

Identify and describe the function of structures in echinoderms and their feeding mechanisms.

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Providing Direction

The act of guiding or managing others by setting goals, making decisions, and leading by example towards achieving objectives.

Servant Leadership

A leadership philosophy where the main goal of the leader is to serve others, prioritizing the needs of the employees and encouraging their development and growth.

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A leadership style rooted in self-awareness and honesty, encouraging transparency and integrity in interactions with others.

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An individual's positive psychological state, characterized by self-efficacy, optimism, hope, and resilience, that can enhance performance and well-being.