Common Test Mathematics II/B/C practice 134: Using the accompanying practice context, a score of 82 comes from a distribution with mean 64 and standard deviation 9. What is its z-score?
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z=(x−mean)/sd=2.
Practice Mathematics II / B / C questions with answers and explanations.
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z=(x−mean)/sd=2.
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Repeated multiplication gives 31381059609.
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log x + log y = log(xy).
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The sum is 3(1+…+5)=3×15=45.
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Scalar multiplication multiplies every component.
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f′(x)=10x+5; substitute x=7.
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An antiderivative is 6x²+1x, giving 392.
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log x + log y = log(xy).
Choose an option to check your answer.
The sum is 3(1+…+5)=3×15=45.
Choose an option to check your answer.
Scalar multiplication multiplies every component.
Choose an option to check your answer.
f′(x)=10x+2; substitute x=7.
Choose an option to check your answer.
An antiderivative is 6x²+5x, giving 424.