Huh, well the sum is just adding the numbers together, so the answer is 4905.
Given :
p = 0.68
margin of error, E = 0.1
99% confident interval
alpha, α = 1 - 0.99
= 0.01

∴
(z-critical value)
Sample size = 


= 144.37
= 145 (rounded off)
Therefore, there are 145 businesses does she need to sample to meet this criteria.
Answer:
2
Step-by-step explanation:
5-3=2 it's simple really
16 minutes
0.03*16=0.48
Closest you can get w/out going over.
I believe you would create and equation to find x and y.