John is curious about the type of music his classmates enjoy and decides to survey 125 of his classmates. in his survey, 63 students enjoy both hip hop and pop music, 13 enjoy only pop music, and a total of 90 enjoy hip hop. how many of his classmates do not enjoy hip hop or pop?

Need now 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.