in 1987, the general social survey asked, "have you ever been active in a veteran's group? " for this question, 52 people said that they did out of 98 randomly selected people. what is the 95% confidence interval for the proportion of all americans who have been active in a veteran's organization?

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

Trey has answered 15 e-mails. this is 20% of e-mails he must answer. how many e-mails does he need to answer? pls ; op'; ; p'[o; pio; uiylutryte

Determine if the situation below is a safe practice: julia needs to hang some industrial shelving, so she carefully selects the correct drill bits for the electrical drill before attempting to screw the shelves into the wall.