Which option is an example of an experiment? A. Polling teenagers about their screen time in a day

B. Asking students in a school how much time they spend exercising

C. Testing the effect that eating organic food has on health by having
a group of people selected at random eat organic food for six consecutive months and then comparing the results with a group of people who didn't eat any organic foods during the same period

D. Recording the reaction time of participants in a study who were
asked to press a button as soon as they see a certain picture on a screen ASAP please

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.