Of the following sets, which represents a function? Situation A = {student's name, all the colors that the student likes} Situation B = {student's name, the student's favorite math teacher}
A. Only A
B. Only B Both
C. A and B
D. Neither A nor B

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?