Sandy and Maria worked the following weekly hours this summer at a summer camp. Which of the following statements are true?

sandy - 15, 25, 12, 30, 26, 18
maria - 14, 19, 26, 42, 15, 10

a) the interquartile range for sandy is less than the interquartile range for maria
b) the mean for sandy is greater than the mean for maria
c) the median for maria is greater than the median for sandy
d) the range for maria is less than the range for sandy

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.

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c =

Which two fractions are equivalent to 6/11? 6/22 and 18/33 12/22 and 18/33 12/22 and 18/22 3/5 and 6/10