Answer:
6
Step-by-step explanation:
Answer:
4(3m^3-2m^2+4m+2)
Step-by-step explanation:
Step-by-step explanation:
=x+3x+34x-34+48
=38x+14
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.