Answer:

Step-by-step explanation:


Answer:
6 is your answer
Step-by-step explanation:

Answer:
246
Step-by-step explanation:
In the statment is defined our Values.
First que have a 95% Confidence interval
That is exactly in a Standar normal distribution table equal to Z Score = 1.96
The proportion
= 0.20
And we can and Margin Error (ME) equal to 0.05
Using the formula for the Sample Size (N) through Proportion we have,


or 246
Same as n did what grade is this? No you in the thirty grade not cool not helping