The two dot plots below compare the forearm lengths of two groups of schoolchildren: Based on visual inspection of the dot plots, which group appears to have the longer average forearm length?

1)

Group A, because seven children have a forearm length longer than 10 inches

2)

Group B, because two children have a forearm length longer than 10 inches

3)

Group A, because one child in the group has the least forearm length of 9 inches

4)

Group B, because three children in the group have the least forearm length of 9 inches

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.