I’m having a hard time understanding your question
Noah is correct!!!! 20/45 simplified is 4/9. hope this helps!
Answer:
324
Step-by-step explanation:
4x3=12
12x3=36
36x3=108
108x=324
Answer:
The correct answers would be A,C,D
Step-by-step explanation:
Answer: 12
Step-by-step explanation:
The formula to find the sample size is given by:-
, where
is the population standard deviation,
is the z-value for the
confidence interval and E is the margin of error .
As per given , we have
Population standard deviation : 
z-value for 95% confidence interval : 
Margin of error : E= 3
Then, the required minimum sample :-

Hence, the required minimum sample size = 12