Malcheon Health Clinic claims that the average waiting time for a patient is 20 minutes or less. A random sample of 15 patients shows a mean wait time of 24.77 minutes with a standard deviation of...

Malcheon Health Clinic claims that the average waiting time for a patient is 20 minutes or less. A random sample of 15 patients shows a mean wait time of 24.77 minutes with a standard deviation of 7.26 minutes. (a) Write the hypotheses for a right-tailed test, using the clinic’s claim as the null hypothesis. (b) Calculate the t test statistic to test the claim. (c) At the 5 percent level of significance (α = .05) does the sample contradict the clinic’s claim? (d) Use Excel to find the p-value and compare it to the level of significance. Did you come to the same conclusion as you did in part (c)?