O definitely does. I think Z and W do as well.
Y, K and P don't because they can't be rotated and map onto themselves.
Answer:
The test statistics is
Step-by-step explanation:
From the question we are told that
The sample size is n = 100
The null hypothesis is 
The alternative hypothesis is 
The sample mean is 
The standard deviation is 
The level of significance is 
Generally the test statistics is mathematically represented as

=> 
=>
Yd * yd * yd = yd^3
The volume is measured in cubic yards.
Answer:
2 hours and 30 minutes to fill it up
Step-by-step explanation:
You subtract 15.50 from 47.50
then you will get your answer it is 31