Test the given claim using the traditional method 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 5 minutes with a standard deviation of 1 6 minutes At the 0 01 significance level test the claim that the mean is less than 10 minutes O There is sufficient evidence to support the claim that the mean is less than 10 minutes O There is sufficient evidence to warrant rejection of the claim that the mean is less than 10 minutes O There is not sufficient evidence to support the claim that the mean is less than 10 minutes O There is not sufficient evidence to warrant rejection of the claim that the mean is less than 10 minutes