Solve the Problem. -A Public Bus Company Official Claims That the Mean Waiting

Essay

Solve the problem.
-A public bus company official claims that the mean waiting time for bus number 14 during peak hours is less
than 10 minutes. Karen took bus number 14 during peak hours on 18 different occasions. Her mean waiting
time was 7.6 minutes with a standard deviation of 2.3 minutes. At the 0.01 significance level, test the claim that
the mean waiting time is less than 10 minutes. Use the P-value method of testing hypotheses.