Question 1 1 pts A recent study reported that UNL students are sleeping about 8 hours a night on average. As a statistics student you want to find out if the time that their students sleep each night was different that the study suggests. To test this, you surveyed 42 students. The average number of hours the students per night was 7, with a standard deviation of 2. p(1-p) Construct the interval as 721 n Construct the interval as 7t- 2 n 7 Construct the interval as 2 t n Construct the interval as 27/ p(1-p) n