Checkpoint #1 Your Name: Chapters 7 Group Members Names: 25 points Directions: Answer the following questions to the best of your ability. Show your work, explain your reasoning, and write your answers neatly and clearly to receive full credit. 1) [3 ptsl To determine if a new instructional technology is effective in improving student scores. a professor collects data and finds that 45 out of 50 randomly selected students who were in classes that used the instructional technology passed the class and 38 out of 51 randomly selected students who were in classes that did not use the instructional technology passed the class. a) Construct and report a 95% confidence interval for the true difference between the proportion of students using technology who passed and those not using technology who passed. b) Based on the Cl you constructed in part(a) can you conclude that the instructional technology is effective in improving student scores? Justify. What do the signs indicate