When conducting a 1 sample proportion Z test, we've been told the sample size of n -100 and the hypothesized "Yes" answers is 31 %. We prove the normal condition with: A. The Small Sample Condition where the sample has no outliers

B. The Parent-Child (population-sample) relationship

C. The Central Limit Theorem

D. The Large Count Condition with np and nq both at least 10

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

thats not a system of equations, that is a solution

answer: (1,3) (3,-1) (5,-5) ?

step-by-step explanation:

the answer would be 0.54