The q is below and help me pls

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41