Answer:
c
Step-by-step explanation:
Answer:
The correct option is 1.148 < σ < 6.015
Explanation:
The 99% confidence interval for the standard deviation is given below:

Where:


Therefore, the 99% confidence interval is:


Therefore, the option 1.148 < σ < 6.015 is correct
Answer:
-4
Step-by-step explanation:
Dividing by two is the same as splitting in half. Half of -8 is -4
37: Is a parallelagram
38 Is Not
39: Is