pleasse fast please

Question 1 5 points Previously, an organization reported that teenagers spent 4.5 hours per week, on average, on the phone. The organization thinks that, currently, mean is higher. Fifteen randomly chosen teenagers were asked how many hours per week they spend on the phone. The sample mean was 4.75 hours with a sample standard deviation of 2 hours. Assume that hours per week they spend on the phone are normally distributed At a significance level of 5%, test the claim of the organization? a) what is the test that we will use to test HO (T, F. 2) b) find the value of the test statistic (rounded to 1 decimal place) c) At 5% test the electric utility's claim? Since the test statistic is (less, greater, equal, different) than the critical value which is equal to we have enough evidence/ don't have enough evidence) to conclude that teenagers spelt more than 4.5 hours per week QUE . - D Solat ie 2 G 6 e I . ABS HUAWEI