3 years ago

For any distribution, what is the z-score corresponding to the median? 0 1 n cannot be determined from the information given

1 answer:

defon3 years ago

3 0

<span>This is a value that cannot be determined at current (choice D). The z-score associated with the mean is 0, but the median value is not always equal to the mean. In this case, it could be 0, it could be greater than 0, or it could be less than 0.</span>

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Write the equation of a polynomial of degree 3, with zeros 1, 2 and -1 where f(0)=2

ser-zykov [4K]

Answer:

f(x) = x^3 - 2x^2 - x + 2

Step-by-step explanation:

since the zeroes are 1,-1, and 2. we can write the function like

f(x) = (x-1)(x+1)(x-2)

f(x) = (x^2-1)(x-2)

f(x) = x^3 -2x^2 -x +2

and it is true that f(0)=2

4 0