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

question 199

Multiple Choice

Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable 3X - Y.Round to two decimal places if necessary. $$\begin{array} { l | l l } & \text { Mean } & \text { SD } \\\hline \mathrm { X } & 190 & 15 \\\mathrm { Y } & 170 & 19\end{array}$$

• A)? = 60,? = 26
• B)? = 740,? = 48.85
• C)? = 400,? = 40.79
• D)? = 400,? = 48.85
• E)? = 400,? = 26

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Definitions:

Design Defects

Flaws in the planned design of a product that make it inherently unsafe or unfit for its intended use, potentially leading to liability for the manufacturers.

Design Defect

A flaw in the design of a product that makes it unsafe or unfit for its intended use.

Consumer Expectations Test

A legal standard used to determine product liability based on whether a product meets the ordinary expectations of a consumer.

Feasible Alternatives Test

The feasible alternatives test is a legal or regulatory principle that requires the consideration of practical and possible options before proceeding with actions that may have significant effects or risks.