Answer: B. 
Step-by-step explanation:
The confidence interval for the population mean is given by :-

Given : Sample size : n= 100
Sample mean : 
Standard deviation: 
Level of confidence = 0.95
Significance level : 
Critical value : 
Then, 95% confidence interval for the population mean will be :-

For this you would take the yellow circle and count the spot in a directions (6) and for blue you would do the same (2) so scale factor is 3
<h3>4864÷2</h3><h3>2432×2</h3><h3>= 4864</h3>
please mark this answer as brainlist
I am pretty sure the answer is 60 because 145 divided by 29 is 5 you multiply by 12 you get 60