The owners of a waterpark are taking a survey to determine how many trips to the park kids in the area take during the summer. They take a survey of kids entering the park on a Monday. Is this a good sampling method?

Responses
A Yes, by surveying kids at the entrance this will ensure that they get a large number of responses.Yes, by surveying kids at the entrance this will ensure that they get a large number of responses.
B Yes, because those kids who come on Monday more than likely come on other days, too.Yes, because those kids who come on Monday more than likely come on other days, too.
C No, they should have surveyed kids on Friday and Saturday when more people come to the park.No, they should have surveyed kids on Friday and Saturday when more people come to the park.
D No, they should have surveyed kids at the local high school.No, they should have surveyed kids at the local high school.
E No, many area kids may not come to the water park, they need a random sample of area kids.

E No, many area kids may not come to the water park, they need a random sample of area kids.