The mean value of is equal to .

A trade discount series of 30%/15%/5% is offered on a product that has a list price of $8,900. What is the net price?

A) $4,450
B) $5,031
C) $6,555
D) $7,221
E) $7,925

A quality control engineer wants to determine what proportion of defective parts are coming off the assembly line. Past experiments based on large sample sizes show this proportion to be 0.19. What sample size does the engineer need in order to estimate this proportion with a margin of error of 0.12 with 90% confidence?
______________

Approximate the two numbers and list them in ascending order.

A) $-4.5,2$
B) $-2,-4.5$
C) $-4.5,-2$
D) $4.5,2$
E) $4.5,-2$

The probability distribution for a discrete variable x is a formula, a table, or a graph providing p(x), the probability associated with each of the values of x.

If you are unsure whether the null or research hypothesis is true,you can assume that the research hypothesis is true.