De record for trains being on time?
4 Last year a football team scored at least one goal in 65% of their matches.
This year they played 40 matches and scored at least one goal in 28 of them.
Has their performance got better or worse?
Give a reason for your answer.​

Me 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.