He sum of three numbers is 19 . the sum of twice the first number, 4 times the second number, and 5 times the third number is 72 . the difference between 4 times the first number and the second number is 12 . find the three numbers ti84

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.