Hair grows at an average rate of 0.5 inches per month. Courtney refused to cut her hair from the time she was 8 years old until she was 20 years old. If Courtney's hair grew at the
average rate, approximately how many inches did her hair grow during the time she refused
to cut her hair?

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.