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Sonbull [250]
3 years ago
8

(2x^4-3x^2+4x-9)÷(x+2)

Mathematics
1 answer:
dexar [7]3 years ago
3 0
Working is attached: 2x^3 - 4x^2 + 5x - 6 remainder 3

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A set of data items is normally distributed with a mean of 240 and a standard deviation of 32. Convert 272 to a? z-score
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Answer:

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Step-by-step explanation:

Given

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In order to find the z-score of a value, the mean is subtracted from the value and then divided by standard deviation.

The formula for z-score is:

z-score=(x-μ)/σ

Here x is the value whose z-score is to be found.

In the given question, x = 272

So,

z-score=(272-240)/32

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