Previously, an organization reported that teenagers spent 4.5 hours per week, on average, on the phone. The organization thinks that, currently, the mean is higher. Fifteen randomly chosen teenagers were asked how many hours per week they spend on the phone. The sample mean was 4.?5 hours with a sample standard deviation of 2.0. Conduct a hypothesis test. At a signicance level of Oc'=l].i]5, what is the correct conclusion? Q There is enough evidence to conclude that the mean number of hours is more than 4.?5 C) There is enough evidence to conclude that the mean number of hours is more than 4.5 Q There is not enough evidence to conclude that the mean number of hours is more than 4.5 Q There is not enough evidence to conclude that the mean number of hours is more than 4.?5 QUESTION 5 State the Type | and Type II errors given the following statements. Choose Aor B for each blank. The mean starting salary for San Jose State University graduates is at least $100,000 per year. Type I Type II A. We conclude that the mean starting salary is less than $100,000, when it really is at least $100,000. B. We oonclude that the mean starting salary is at least $100,000 when, in fact, it is less than $100,000