Answer:
Test statistic,
(to 3 dp)
Step-by-step explanation:
Deviation, d = x -y
Sample mean for the deviation


Standard deviation: 


SD =2.93
Under the null hypothesis, the formula for the test statistics will be given by:


Break the mile in to 6 pieces and run 5 parts of the mile
Two hours earlier than the appointment start time, so he should get up at 6:45am, at latest.
The bottmo layer should be the same as the top layer sinc it is all squares
count the top
6 squares
answer is 6 squares