The Upper and Lower Control Limits of the Proportions of Defectives

question 18

Short Answer

The upper and lower control limits of the proportions of defectives of a process are 0.13 and 0.07.
a.What has been the proportion of defectives in this process?
b.What has been the sample size?

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Definitions:

Completing The Square

A method used in algebra to solve quadratic equations by converting the equation to a perfect square trinomial.

Completing The Square

A method to solve quadratic equations by converting the quadratic equation into a perfect square trinomial, making it easier to solve.

Complex Numbers

A mathematical concept that extends the idea of numbers to a form that includes real and imaginary parts, typically denoted as a + bi where a and b are real numbers and i is the imaginary unit.

X-intercepts

The points at which a graph intersects the x-axis, representing solutions to the equation when y is zero.