I will rate and love if question is done correctly. A middle school principal wants to know how many of her school's 1500 sixth, seventh, and eighth grade students are interested in a field trip. She asks every fifth student from an alphabetical list of the 450 students that went on the previous field trip. Which statements are true? Select ALL the true statements.

A - The sample includes only students who went on the previous field trip.
B - The sample is representative of the population.
C - The population is all seventh grade students.
D - The sampling method is random.
E - The sample is biased.

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.