Answer:
Step-by-step explanation:
https://gotalk.to/kiryae.lampman
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.
Answer:
35
Step-by-step explanation:
Answer:
the answer is 72 un. sq.
Step-by-step explanation: