Leo the rabbit is climbing up a flight of 10 steps. leo can only hop up 1 or 2 steps each time he hops. He never hops down, only up.

how many ways can leo hop up the flight of 10 steps? Give evidence and show your work.

please help^^

Needmax 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.