Ben purchases 2 drinks and a popcorn at the movie theater, for a total of $9.50. If x represents the cost of the drinks and y represent
the cost of the popcorn, which equation represents this situation?

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?