During the chess championship each player played with each other two games. players who win in a game were awarded 1 point, while those who draws were given a half-point. losing a game was worth zero points. the three best players scored together 24 points, which is twice less than the sum of points of all other players scored. how many players were participating in the championship?

Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.