If X and Y Are Random Variables with E(X)= 6

question 120

Multiple Choice

If X and Y are random variables with E(X) = 6 and E(Y) = 9,then E(2X + 3Y) is:

• A)39
• B)15
• C)27
• D)12

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Definitions:

Steamboat

A boat powered by steam engines, significant in the 19th century for transforming transportation, commerce, and navigation on rivers and lakes.

Clermont

The name of the first successful steamboat, developed by Robert Fulton in 1807, which significantly advanced riverine transportation.

Memphis Belle

A famous American B-17 bomber that successfully completed 25 missions over Europe during World War II.

Railroad Tracks

Parallel steel rails on which trains run, forming the fundamental infrastructure for railway transportation.