Jina does a weekly exercise program consisting of cardiovascular work and weight training. Each week, she exercises for at least 9 hours. She spends at most 11 hours on weight training. She spends at most 5 hours doing cardiovascular work. Let x denote the time (in hours) that Donna spends doing cardiovascular work. Let y denote the time in hours) that she spends on weight training. Shade the region corresponding to all values of x and y that satisfy these requirements?

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.