A box contains 4 red and 2 blue chips. a chip is chosen at random and then replaced. a second chip is then drawn at random. a) show all the possible outcomes using a probability tree diagram. b) calculate the probability of getting: 1)at least one blue. 2) one red and one blue. 3)two of same color

Based on calculations, students should have 10.4 grams of powder after conducting an experiment. the students get these results: 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams. which words best describe this data? check all that apply. a- accurate b- falsified c-invalid d-precise e-redundant