1/4 + 10/16 4/6 + 1/3
1/7 + 9/14
2/7 + 7/14
9/18 + 1/3
1/3 + 7/9
4/9 + 9/18

Please help will give brainliest

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?