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

question 60

Multiple Choice

Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable X + 2Y.Round to two decimal places if necessary. $$\begin{array} { l | l l } & \text { Mean } & \text { SD } \\\hline \mathrm { X } & 60 & 12 \\\mathrm { Y } & 50 & 7\end{array}$$

• A)? = 110,? = 18.44
• B)? = 100,? = 18.44
• C)? = 110,? = 26
• D)? = 160,? = 18.44
• E)? = 160,? = 26

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The physical curvature and alignment of the vertebral column, important for posture, movement, and overall health.

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An organism that uses two legs for walking.

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An extinct species or subspecies of archaic humans who lived in Eurasia until about 40,000 years ago, known for their significant contributions to the genetic makeup of modern humans.