4x + 12x = 320
16x = 320
x = 20
I would speak to my friend or pen pal or the person your working with and come up to an agreement. That is my advice
The correct is b.
This is because, confidence interval is given by:
Confidence interval = p +/- error
In this case,
p = 18%
error = 3%
Therefore;
Confidence interval = 18+/-3 = [(18-3),(18+3)] = [15,21].
Therefore it will be true to say that the percentage of those who jog is between 15% and 21%.
Answer:
4.5
Step-by-step explanation:
Just did the Lesson
