Mrs. hampton’s class is studying the feeding habits of captive turtles in the community. which of these samples represents the best random sample for the study? some turtles at the local reptile zoo and some turtles kept as pets all the turtles found in science classrooms at the school every other turtle the class finds in the pond behind their school every third turtle that appears on the beach near the lake

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.