Answer: 2017
Step-by-step explanation:
Given : The proportion of people that smoke : p=0.3
Margin of error : E= 0.02
Significance level :
Critical value : 
The formula to calculate sample size ( if proportion is known) :-

Hence, the required minimum sample would be 2017.
Sorry but the triangle don’t exit so it’s Yeager for a set up wine
Incorrect porque no sabes cómo hacerlo solo hazlo y ya!!