The general manager of a factory that makes laptop commissioned a statistical study to estimate the percentage of defective product that the company produce in a year. He asked them to create a confidence interval to estimate the percentage of defective product. The report stated that with 90 % confidence level, the percentage of defective product is between 4.8 % to 8.6 %. A)0.0258
B)0.019
C)0.0251
D)0.0116

answer: 3.26019516

step-by-step explanation:

the correct option is:

b. a value of the variable that makes the polynomial equal to zero.

the root or roots of a polynomial are the values of the variable that makes the polynomial equal to 0. we can find the roots of a polynomial making the expression equal to 0 and then, isolating the variable (it it has just one variable).

for example, given the following polynomial:

the root or zero of the polynomial, can be found by making the expression equal to 0, and then, isolating the variable, so, finding the root we have:

therefore, we have that the root of the polynomial is equal to 2.

we must remember that the number of roots that a polynomial can have, will depend on the degree of the polynomial, a first degree polynomial have will have one single root, a second degree polynomial (quadratic expression) may have two roots and so.

hence the correct option is:

b. a value of the variable that makes the polynomial equal to zero.

have a nice day!

there are no multiple choices