3/4 times 7/6 in simplest form = 0.875
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
You’re going to be adding by .05
so the first one would be 5.86 and the second one would be 6.01
hopefully this helps!
I think you forgot to put a picture in..
It should be the multiplication first remember PEMDAS. Parenthesis, Exponent, Multiplication, Division, Addition and Subtraction. So Letter D is the answer.