Will mark ! need do not just answer this to get points, i severely need these answered 15.)a computer randomly picks a number from the group 20, 21, 22, 23, 24, 25, 26, 27. what is the probability the number is greater than 24 or less than 21? 21.) one edge of a cube measures 4.6 meters. what is the volume of the cube? (as a decimal) 22.)carmela is planning a season-themed event for the residents of a town. she would like to conduct a survey of a sample of residents to determine whether people prefer summer or winter. what is the best way that the she could select the sample? a.) randomly select from residents who own a vacation home at the beach b.) randomly select from residents who ski c.) randomly select from all of the town residents d.) randomly select from residents who own pools 24.)daria studies the weights