1 Let y = Erica's distance from home 2. Let y = Erica's speed As our subway train leaves Station A it accelerates to top speed, then maintains this speed until it begins to slow down and finally stops at Station B. 3. Let y = distance from Station A 4. Let y = speed of the train​

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?