function 1 is defined by the equation y= 7/2x - 3. function2 is defined by line f, shown on the following graph

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?

Precalculus question, image attached.

What is negative 3/9 times negative 2/8 ?