At the theater, the evening performance always begins 2 hours after the matinee
begins. Write an equation to determine
the number of hours y until the evening
performance begins given the number of
hours r until the matinee performance
begins.

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?