I need help with a stat problem in the screenshot below. Thanks.

You have learned that a condence Interval for n , given by: i 1' Funm , was computed uslng a sample from the population of interest. What does the symbol I! stand for? o What does the symbol :3 stand for? e What does the symbol :1 stand for? 0 Does Increasing the condence level lead to a larger value of 1', a smaller value of 2'. or no change In the value of 1*? 9 Does Increasing the sample size lead to a larger value of 2", a smaller value of :', or no change In the value of 1'? o