Answer:
52
Step-by-step explanation:
I think not really sure
Answer: 3687
Step-by-step explanation:
Given : Prior proportion of bottles that exceeds government levels = 
Margin of error : 
Significance level : 
Critical value : 
The formula to find the sample size is given by :-

i.e. 

Hence, the minimum required sample size =3687
The second one is correct. 66/300 = x/100
Answer:
Step-by-step explanation: