-3/16 is the answer or -0.1875 in decimal form
Answer:
A
Step-by-step explanation:
"Nine divided by the quantity x plus y" can also be written as 9/(x + y). In this case, it's in fraction form.
The answer would be D, I think
Solution :
Assuming 
We have to test

Against 
Level of significance, 


= 420.6107
Under
, the t-statistics is as follows:


= 0.90
DF = (25 + 20 - 2)
= 43
P-value of the test = 0.375
Since the p value is more than 0.05, we fail to reject our null hypothesis.
There is no difference between then mean tensile strength of the ropes that is produced in the Bozeman and Challis.