suppose X has amean of 5 and standard deviation of 2, what are the mean and standard deviation of ((3x)+4)
1 answer:
If you apply a linear transformation
to a random variable X, the mean and standard deviations change as follows:
So, the new mean is
and the new standard deviation is
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11x^2-3x-5
4x^2+7x^2=11x^2
2x-5x=-3x
Y = -2x + 5 remember Y = mx(slope) + b (y-int)
Answer:
volume = (length × Width × height)
(567/2) = (9×) × (17/4) × (w)
283.5 = 38.25w
w= 7.41inches
Answer:
My guess is B
Step-by-step explanation:
Sorry if im wrong, good luck!
Answer:
6y -8
Step-by-step explanation:
8y-2(y+4)
Distribute the 2
8y -2y -8
Combine like terms
6y -8