Find the simple interest paid to the nearest cent for each loan amount, interest rate, and time. $290, 12.5%, 6 months

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?

Having a hard time understanding this question (see attachment).

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️