A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% confidence interval that results from examining 501 customers in one fast-food chain's drive-through has a lower bound of 166.2 seconds and an upper bound of 169.6 seconds. What does this mean?

1 is c

2 is a

3 is a

step-by-step explanation:

d is the correct answer

step-by-step explanation:

x= 8 because 3x = 3 * 8, and 3*8 = 24

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72

you have to wait a while to reward brainliest if only one person answers. if 2 people answer there should be a "mark brainliest" on their question.

i cant fully remember all of the ranks, here are the ones i remember.

hand, ambitous, ace, genius.