The table gives information about the number of points scored by each of 16 students in a game. number of points - frequency
0 - 1
1 - 3
2 - 5
3 - 4
4 - 3

tina worked out the median of the number of points scored to be 5.

a) explain why it is not possible for the median to be 5?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?