Using order of operations you would multiply first giving you 15. So 47-15=32.
A quadrilateral I believe.
Answer:
3/8
Step-by-step explanation:
Just subtract 5/8 by 2/8 and you get 3/8
I think the answer would be B. 4 cm
Answer: 
Step-by-step explanation:
Given : sample size : n= 51
sample standard deviation : s= 0.46
Significance level : 
Using chi-square distribution, the critical values will be :


Confidence interval for population standard deviation (
) :

Substitute all the values , we get

Hence, the 95% two-sided confidence interval for σ : 