If X and Y are independent random variables with means
=9.5 and
=6.8, and standard deviations
=0.4 and
=0.1, find the means and standard deviations of the following:
a. 3X
b. Y?X
c. X+4Y
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Indicate whether this statement is true or false.
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Answer the following statement true (T) or false (F)
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A. ?To conserve water. B. ?Better gun cooling. C. ?More portable. D. ?Chemicals in the water can prevent freezing.
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What is the difference between custom and mass-produced products?
What will be an ideal response?
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