Poker chips are added to a hat: 5 blue, 6 red, and 8 black. if a set of 3 chips is randomly selected without replacement, what is the probability that each of the chips will be
(1) of the same color
(2) of different colors?
what is the answer to (1) and (2) if after selection of each individual chip, it is noted and then returned to the hat?

Design an er diagram for keeping track of information about votes taken in the u.s. house of representatives during the current two-year congressional session. the database needs to keep track of each u.s. state's name (e.g., texas', new york', california') and include the region of the state (whose domain is {northeast', midwest', southeast', southwest', west'}). each congress person in the house of representatives is described by his or her name, plus the district represented, the start date when the congressperson was first elected, and the political party to which he or she belongs (whose domain is {republican', democrat', 'independent', other'}). the database keeps track of each bill (i.e., proposed law), including the bill name, the date of vote on the bill, whether the bill passed or failed (whose domain is {yes', no'}), and the sponsor (the congressperson(s) who sponsored - that is, proposed - the bill). the database also keeps track of how each congressperson voted on each bill (domain of vote attribute is {yes', no', abstain', absent'}). additional information:

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?