Nowadays Indonesian can apply for a new passport or passport extension via online. Applicant of an Indonesian passport is required to register in the Indonesian Immigration website to get a registration number and to get a slot of time for an interview session. A passport applicant can also register through mobile phone apps, which some people said that it is easier to register through the apps rather than through the website. Listed below is the number of Indonesian passport applicants in an Immigration Office in Jakarta in 15 days, who registered using mobile phone apps.

120, 108, 120, 114, 118, 91, 118, 92, 104, 104, 112, 97, 118, 108, 117

Using the 0.05 significance level, answers the following questions to test whether or not it is reasonable to conclude that the mean number of passport applicants using mobile phone apps is more than 100 per day.

a. Formulate the null and alternate hypotheses?

b. What is the value of the test statistics?

c. What is the p-value?

d. What is your conclusion?